This Specification

consists of 15 pages

TECHNICAL SPECIFICATION

FOR

HIGH PRESSURE BALL VALVES

540GM-GM02

Prepared By

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION

JOHN C. STENNIS SPACE CENTER

SSC, MISSISSIPPI 39529

**E-COMPLEX TEST FACILITY (E-3)**

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TECHNICAL SPECIFICATION

FOR

HIGH PRESSURE BALL VALVES

540GM-GM02

TABLE OF CONTENTS

1.0 SCOPE 3

2.0 APPLICABLE DOCUMENTS 3

3.0 DESIGN 4

4.0 MATERIALS 6

5.0 FABRICATION AND ASSEMBLY 6

6.0 CLEANING 7

7.0 TESTING 7

8.0 PACKING AND DELIVERY 8

9.0 WARRANTY 8

10.0 SUBMITTALS 8

Appendix A: DATA SHEETS 10

TECHNICAL SPECIFICATION

FOR

HIGH PRESSURE BALL VALVES

1.0 [SCOPE]{.underline}

This specification covers requirements for high pressure ball valves
used in gaseous helium and gaseous nitrogen services. Requirements
herein shall govern design, material, fabrication, assembly, testing,
cleaning, packaging and delivery of the specified components.

2.0 APPLICABLE DOCUMENTS

Valve requirements shall comply with the latest edition of the following
referenced publications unless shown or specified otherwise:

American Iron and Steel Institute

1133 15th Street NW

Suite 300

Washington, D.C. 20005

Manual Semifinished: Hot-Rolled and Cold-Finished, Stainless and Heat
Resisting Steel Bars

American National Standards Institute (ANSI)

1430 Broadway

New York, New York 10018

\(212\) 354-3300

American Society of Mechanical Engineers (ASME)

United Engineering Center

New York, New York 10017

\(212\) 705-7722

ASME B31.3 Chemical Plant and Petroleum Refinery Piping

Military Standard

Government Printing Office

5801 Tabor Ave.

Philadelphia, PA 19112

MS33649 Boss, Standard Dimensions for Straight Thread

3.0 [DESIGN]{.underline}

3.1 GENERAL

> Ball valves rated for 6,000 psig shall be designed as standard class
> valves in accordance with ANSI B16.34 and ASME B31.3.

3.2 VALVE DESIGN

> Valves shall be trunion-mounted ball type. The body including the end
> connections and bonnet shall not be constructed by welding.
>
> Valves shall be designed for repeated disassembly, precision cleaning
> and reassembly. Valves shall be top entry designed. (End-retractable
> seat retainers are allowable.)

Pressure energized seals are preferred where practical.

> Valve seats shall be able to accommodate opening and closing with ≥
> 200 psig (GN2) differential pressure.
>
> Valves 150 lbs. and heavier shall be supplied with lifting lugs
> attached in such a way that when supported by the lugs the valve is in
> an upright, horizontal position with the actuator on top of the valve
> body.
>
> End-to-end dimensions shall be provided by the vendor with the valve
> design submittals.
>
> Valves shall be designed and fabricated such that the following
> dimensional and angular tolerances are not exceeded:
>
> 1\. ± 1/32\" end to end dimensions,
>
> 2\. ± 1/32\" offset between end connection centerlines, and
>
> 3\. ± 1/4° perpendicularity of hub face to bore axial centerline.
>
> Temperature ratings for the components are specified on individual
> data sheets.
>
> Valves shall be designed for bi-directional flow and sealing.
>
> All special tools required to service these valves shall be included
> in the delivery of the valves. One set of special tools are required
> for each valve size.
>
> Maximum working pressure ratings for the components are specified on
> individual data sheets. Valves shall be designed such that the burst
> pressure is at least four times the maximum working pressure.
>
> Valves shall be equipped with a rugged stem position pointer and
> position indicator.
>
> Provide threaded connections on the inlet and outlet sections of the
> specified valves to enable the attachment of a pressure equalization
> line as noted on the data sheets. (These ports should be fitted with
> plugs for testing, cleaning, and shipping. The vendor is not
> responsible for furnishing the bypass valves or tubing.) The threaded
> bypass connections on the 6,000 psig valves shall be in accordance
> with MS33649-8 or MC240-8. The threaded connections shall be drilled
> and tapped into the valve body. No welding allowed.

3.3 ACTUATOR DESIGN

> All manual valves shall be furnished with a handwheel type geared
> operator adequately sized to actuate the valve with a normal rim
> effort of 70 lb for a differential pressure across the valve equal to
> 1,000 psi. The handwheel shall not exceed 30 inches in diameter.
> Geared operators shall be totally enclosed in a weatherproof enclosure
> and be provided with external grease fittings. An easily replaceable
> \"weak link\" shall be designed into the manual actuators to fail when
> 125% of the rim effort at the maximum gear torque is applied to the
> handwheel.
>
> All pneumatic on/off valves shall be equipped with a mechanical,
> spring assisted, double acting pneumatic piston cylinder actuator for
> remote "open-close\" valve positioning. Upon complete loss of
> actuating pressure, the spring shall be capable of closing the valve
> with 1,000 psid differential pressure. If an accumulator is necessary
> to meet specified closing time, it shall be supplied with the actuator
> assembly.
>
> Each pneumatic actuator assembly shall be provided with two \"GO
> series 70\" or equivalent magnetically operated, DC limit switches for
> remote indication of open and closed positions. Switches shall be
> hermetically or environmentally sealed and approved for Class 1, Div.
> II Groups A, B, C, and D National Electric Code. The limit switches
> shall use conduit type electrical connectors and shall be provided
> with 6\" minimum length wire leads. All electrical components shall be
> for 28 VDC supply.
>
> The actuator assemblies shall also include all solenoid valves,
> tubing, and associated fittings necessary for proper operation. The
> preferred tubing connectors shall be MS or AN type 37 degree flared.
> Compression fittings are not allowed.
>
> The pneumatic valves will be designed to operate with 150 psig maximum
> GN supply pressure.
>
> All electrical connectors shall be approved for Class 1 Division 2
> Group B applications in accordance with the requirements of the
> National Electric Code.

4.0 [MATERIALS]{.underline}

4.1 GENERAL

> In general the selection of materials shall be consistent with ANSI
> B16.34 (specifically the guidelines in section 5).

4.2 VALVE MATERIALS

> All external metallic materials including fasteners shall consist of
> corrosion resistant alloys.
>
> Forged valve bodies shall be used for all valves.
>
> Materials of construction specified on the data sheets are suggested
> as acceptable materials for the intended application media and
> pressures. Actual materials of construction should be selected with
> consideration to fluid compatibility, suitability for design,
> interaction with other materials, and other factors which could affect
> the performance of the component.
>
> If Kel-F is used it shall conform to - PCTFE (Kel-F) -
> Chlorotrifluoroethylene (Specfically Daiken PCTFE , M-400 Series-ASTM
> 1430 Type1, Grade 1, Class C Product Code No. M-400H.
>
> Materials of construction which differ from the materials recommended
> on the individual data sheets require specific review and approval by
> the NASA Contracting Officer.

4.3 ACTUATOR MATERIALS

> For pneumatic on/off valves, the valve/actuator mounting adapters,
> keys, and stem bushings shall consist of corrosion resistant steel.
> The limit switches, solenoid valves, tubing, tubing fittings, and
> other actuator assembly accessories shall consist of corrosion
> resistant materials. The other external metallic materials of the
> actuator assembly shall consist of corrosion resistant alloys wherever
> practical.
>
> All external carbon steel surfaces of the actuator assembly shall be
> painted with a coat of rust-inhibiting primer and finished with a
> topcoat of gray or blue Rust-Oleum No. 724 or equal.

5.0 [FABRICATION AND ASSEMBLY]{.underline}

5.1 GENERAL

> The fabrication and assembly of the valves, when not otherwise
> specified, shall be in accordance with the requirements of ANSI B16.34
> and ASME B31.3.

5.2 WELDING

> No welding is allowed on the valve body or bonnet.

5.3 MARKING

> Each valve body shall have a permanently attached stainless steel
> nameplate stamped with the following information:
>
> Manufacturer
>
> Model \# and/or
>
> Part \#
>
> Bore Size
>
> End Connection (Size and Type)
>
> Pressure Rating
>
> Temperature Rating
>
> Cv
>
> Serial \#
>
> Proof Test Pressure / Date
>
> For the motor valves, the valve actuator shall have a permanently
> attached stainless steel name plate stamped with the following
> information:
>
> Design Pressure
>
> Design Temperature
>
> Actuator Manufacturer PN and/or Model Number
>
> Hydrostatic Test Pressure/Date

6.0 [CLEANING]{.underline}

Each valve shall be commercially cleaned.

7.0 [TESTING]{.underline}

7.1 PROOF TESTING

> Each valve shall be subjected to a pneumatic or hydrostatic proof
> test. Pneumatic proof tests shall be performed using a pressure equal
> to 1-1/4 times the maximum pressure rating of the valve. Hydrostatic
> proof tests shall be performed using a pressure equal to 1-1/2 times
> the maximum pressure rating of the valve. **Failure, leakage, or
> non-elastic distortion shall result in rejection of the valve.** The
> pressure, date, and type of the proof test shall be marked in
> accordance with paragraph 5.3.

7.2 EXTERNAL TESTING

> Each valve shall be subjected to an external leakage test. The test
> shall be performed with gaseous nitrogen. Each valve shall be tested
> for external leakage at 6000 psig. Test shall include detection of
> leakage through stem packing and all mechanically connected pressure
> boundary seals with the valve in the fully open position. Soap
> solution shall be used to detect external leakage **for all valves**.
> **A minimum of three minutes** shall be spent on observation of the
> component for external leakage. No external leakage is allowed **for
> the valves.**

7.3 SEAT LEAKAGE TEST

> Each valve shall be subjected to a functional leakage test. The test
> shall be performed with gaseous nitrogen. Each valve shall be tested
> at 200 psig and at the maximum pressure rating. The pressure shall be
> applied in both flow directions. A 1/4\" or smaller submerged bubble
> tube shall be used to detect seat leakage. The seat leakage test shall
> be a minimum of three minutes. Seat leakage greater than one sccm per
> inch of nominal valve size is not allowed. Each valve shall be cycled
> three times after which another seat leakage test series (at 200 psig
> and at operating pressure) shall be performed. Again a seat leakage
> greater than one sccm per inch of nominal valve size is not allowed.
>
> Note: Measuring bubbles per minute using a suitable calibrated
> measuring device is an acceptable alternative to measuring leakage
> volume directly. For a 1/4 inch (6.3 mm) O.D. x 0.032 inch (0.8 mm)
> wall tube submerged in water to a depth of from 1/8 to 1/4 inch (3 to
> 6 mm), 1 bubble per minute equals approximately 0.15 sccm (or 1 sccm=
> approximately 6.66 bubbles per minute). The tube end shall be cut
> square and smooth with no chamfer or burrs and the tube axis shall be
> perpendicular to the surface of the water.

8.0 [PACKAGING AND DELIVERY]{.underline}

Each component shall be capped, plugged, wrapped and boxed/crated to
protect the component during shipment.

The manufacturer shall be responsible to prepare shipment of valves to
arrive undamaged.

9.0 [WARRANTY]{.underline}

All valves furnished under this specification shall be guaranteed
against defective materials, design, and workmanship for a period of one
year from the date of acceptance. Upon the receipt of notice from the
Government of failure of any part of the guaranteed equipment during the
guaranty period, new replacement parts shall be furnished and installed
promptly by the supplier at no additional cost to the Government. The
supplier shall acknowledge his responsibility under these guarantee
provisions by letter, stating that the shipment and materials referred
to herein are guaranteed and the inclusive dates of the guaranty period.

10.0 [SUBMITTALS]{.underline}

The following submittals and auxiliary hardware are required as part of
this specification:

1.  Conceptual and final drawings as specified in section 3.0;
    conceptual or catalog cut drawings shall be submitted as part of
    bid/proposal prior to contract award.

2.  Metallic materials of construction that differ from the
    specification requirements described in section 4.0; submitted with
    bid/proposal prior to contract award

3.  All non-metallic materials of construction; submitted with
    bid/proposal prior to contract award

4.  Test reports documenting the results of tests described in section
    8.0.

5.  Operations and Maintenance Instructions and all required special
    tools as described in section 9.0; submitted and delivered with
    check valve hardware

6.  Certificates of conformance as described in section 10.0.

Unless otherwise specified the vendor shall ensure that their submittals
are received by NASA a minimum of two weeks prior to the start of work
governed by the respective submittal. This will enable NASA to review
the submittal to ensure compliance with the requirements of the
specification and to provide feedback to the contractor in a timely
fashion. A vendor that commences work without a NASA review to ensure
compliance of the submittal with the specification assumes all risks
associated with rework, delay and other effects resulting from a
nonconforming article should a subsequent review reveal that the
vendor's submittal did not comply with the requirements of the
specification.

The submittals, when appropriate, may be submitted in electronic form
instead of paper form (hard copies). When hard copies are submitted, 3
copies of each submittal are required.

**Appendix A**

**[LOCATOR NUMBER]{.underline} [DRAWING NUMBER]{.underline}**

VA-15E3018-GN PSK-E3-3001-FAC

VA-15E3019-GN PSK-E3-3001-FAC

VA-15E3072-GN PSK-E3-3001-FAC

VA-15E3073-GN PSK-E3-3001-FAC

**Quantity:** 4 ea

**[CONSTRUCTION]{.underline}**

**Valve Type:** Ball, manual, trunnion mounted ball

**Size:** 2.0\"

**End Connections:** Reflange R-Con or Equal, Schedule XXS

**Body Material:** 304L, 316L, or 347 series SS

**Bonnet Material:** 304L, 316L, or 347 series SS

**Trunnion Bearing Material:** bronze or aluminum bronze

**Stem/Plug Material:** 304L, 316L, 347, or A286 SST

**Soft-goods:** PTFE, Kel-F or Viton-A

**Plug Type:** Ball

**Seat Type:** Compatible with gaseous nitrogen and gaseous helium and
capable of withstanding bi-directional flow and high differential
pressure.

**Flow Direction:** Bi-directional

**Allowable Seat Leakage:** Per Specification

**[[SERVICE]{.underline}]{.smallcaps}**

**Media:** Gaseous nitrogen and gaseous nitrogen

**Design Pressure:** 6000 psig (Std. Class 2500 per ASME B16.34)

**Maximum Pressure**

**Differential:** 6000 psig

**Design Temperature:** -20° to 120° F

**Minimum Cv:** 130

**[ACTUATION]{.underline}**

**Method:** Manual

**Type:** N/A

**Media:** N/A

**Valve Fail Position:** N/A

**Time:** N/A

# SPECIAL REQUIREMENTS

**Cleanliness Level:** Commercial clean

**Packaging:** See Specification

**Other:** Customer requires all materials of construction to be
approved prior to fabrication/shipment.

Body must include MS33649-8 or MC240-8 female boss on upstream and
downstream sides of valve per specification section 3.2.

A complete additional set of softgoods, seats/seals, etc., will be
provided with each valve.

**[LOCATOR NUMBER]{.underline} [DRAWING NUMBER]{.underline}**

VA-15B3100-GN PSK-E3-3001-FAC

VA-15C3400-GN PSK-E3-3001-FAC

VA-15B3110-GN PSK-E3-3001-FAC

VA-15C3410-GN PSK-E3-3001-FAC

**Quantity:** 4 ea

**[CONSTRUCTION]{.underline}**

**Valve Type:** Ball, manual, trunnion mounted ball

**Size:** 2\"

**End Connections:** Reflange R-Con or Equal, per pressure rating
requirements

**Body Material:** 304L, 316L, or 347 series SS

**Bonnet Material:** 304L, 316L, or 347 series SS

**Trunnion Bearing Material:** bronze or aluminum bronze

**Stem/Plug Material:** 304L, 316L, 347, or A286 SST

**Soft-goods:** PTFE, Kel-F, or Viton-A

**Plug Type:** Ball

**Seat Type:** Compatible with gaseous nitrogen and gaseous helium and
capable of withstanding bi-directional flow and high differential
pressure.

**Flow Direction:** N/A

**Allowable Seat Leakage:** Per Specification

**[[SERVICE]{.underline}]{.smallcaps}**

**Media:** Gaseous nitrogen and gaseous helium

**Design Pressure:** 6000 psig (Std. Class 2500 per ASME B16.34)

**Maximum Pressure**

**Differential:** 6000 psig

**Design Temperature:** -20° to 120° F

**Minimum Cv:** 130

**[ACTUATION]{.underline}**

**Method:** Manual

**Type:** N/A

**Media:** N/A

**Valve Fail Position:** N/A

**Time:** N/A

# SPECIAL REQUIREMENTS

**Cleanliness Level:** Commercial clean

**Packaging:** See Specification

**Other:** Customer requires all materials of construction to be
approved prior to fabrication/shipment.

A complete additional set of softgoods, seats/seals, etc., will be
provided with each valve.

**[LOCATOR NUMBER]{.underline} [DRAWING NUMBER]{.underline}**

VA-15E3057-GN PSK-E3-3001-FAC

**Quantity:** 1 ea

**[CONSTRUCTION]{.underline}**

**Valve Type:** Ball, manual, trunnion mounted ball

**Size:** 2\"

**End Connections:** Reflange R-Con or Equal, Schedule XXS

**Body Material:** 304L, 316L, or 347 series SS

**Bonnet Material:** 304L, 316L, or 347 series SS

**Trunnion Bearing Material:** bronze or aluminum bronze

**Stem/Plug Material:** 304L, 316L, 347, or A286 SS

**Soft-goods:** PTFE, Kel-F, or Viton-A

**Plug Type:** Ball

**Seat Type:** Compatible with gaseous nitrogen and gaseous helium and
capable of withstanding bi-directional flow and high differential
pressure

**Flow Direction:** Bi-directional

**Allowable Seat Leakage:** Per Specification

**[[SERVICE]{.underline}]{.smallcaps}**

**Media:** Gaseous nitrogen and gaseous helium

**Design Pressure:** 6000 psig (Std. Class 2500 per ASME B16.34)

**Maximum Pressure**

**Differential:** 6000 psig

**Design Temperature:** -20° to 120° F

**Minimum Cv:** 130

**[ACTUATION]{.underline}**

**Method:** Manual

**Type:** N/A

**Media:** N/A

**Valve Fail Position:** N/A

**Time:** N/A

# SPECIAL REQUIREMENTS

**Cleanliness Level:** Commercial clean

**Packaging:** See Specification

**Other:** Customer requires all materials of construction to be
approved prior to fabrication/shipment.

Body must include MS33649-8 or MC240-8 female boss on upstream and
downstream sides of valve per specification section 3.2.

A complete additional set of softgoods, seats/seals, etc., will be
provided with each valve.

**[LOCATOR NUMBER]{.underline} [DRAWING NUMBER]{.underline}**

VA-15E3056-GN PSK-E3-3001-FAC

**Quantity:** 1 ea

**[CONSTRUCTION]{.underline}**

**Valve Type:** Ball, manual, trunnion mounted ball

**Size:** 4\"

**End Connections:** Reflange R-Con or Equal, Schedule XXS

**Body Material:** 304L, 316L, or 347 series SS

**Bonnet Material:** 304L, 316L, or 347 series SS

**Trunnion Bearing Material:** bronze or aluminum bronze

**Stem/Plug Material:** 304L, 316L, 347, or A286 SS

**Soft-goods:** PTFE, Kel-F, or Viton-A

**Plug Type:** Ball

**Seat Type:** Compatible with gaseous nitrogen and gaseous helium and
capable of withstanding bi-directional flow and high differential
pressure.

**Flow Direction:** Bi-directional

**Allowable Seat Leakage:** Per Specification

**[[SERVICE]{.underline}]{.smallcaps}**

**Media:** Gaseous nitrogen and gaseous helium

**Design Pressure:** 6000 psig (Std. Class 2500 per ASME B16.34)

**Maximum Pressure**

**Differential:** 6000 psig

**Design Temperature:** -20° to 120° F

**Minimum Cv:** 675

**[ACTUATION]{.underline}**

**Method:** Manual

**Type:** N/A

**Media:** N/A

**Valve Fail Position:** N/A

**Time:** N/A

# SPECIAL REQUIREMENTS

**Cleanliness Level:** Commercial clean

**Packaging:** See Specification

**Other:** Customer requires all materials of construction to be
approved prior to fabrication/shipment.

Body must include MS33649-8 or MC240-8 female boss on upstream and
downstream sides of valve.

A complete additional set of softgoods, seats/seals, etc., will be
provided with each valve.

**[LOCATOR NUMBER]{.underline} [DRAWING NUMBER]{.underline}**

MV-15E3051-GN PSK-E3-3001-FAC

**Quantity:** 1 ea

**[CONSTRUCTION]{.underline}**

**Valve Type:** Ball, open/closed, trunnion mounted ball

**Size:** 2\"

**End Connections:** Reflange R-Con or Equal, Schedule XXS

**Body Material:** 304L, 316L, or 347 series SS

**Bonnet Material:** 304L, 316L, or 347 series SS

**Trunnion Bearing Material:** bronze or aluminum bronze

**Stem/Plug Material:** 304L, 316L, 347, or A286 SS

**Soft-goods:** PTFE, Kel-F, or Viton-A

**Plug Type:** Ball

**Seat Type:** Compatible with gaseous nitrogen and gaseous helium and
capable of withstanding bi-directional flow and high differential
pressure.

**Flow Direction:** Bi-directional

**Allowable Seat Leakage:** Per Specification

**[[SERVICE]{.underline}]{.smallcaps}**

**Media:** Gaseous nitrogen and gaseous helium

**Design Pressure:** 6000 psig (Std. Class 2500 per ASME B16.34)

**Maximum Pressure**

**Differential:** 6000 psig

**Design Temperature:** -20° to 120° F

**Minimum Cv:** 130

**[ACTUATION]{.underline}**

**Method:** Pneumatic, on/off

**Type:** Double acting cylinder with spring assist.

**Media:** GN2; pressure to be [\<]{.underline} 150 psig.

**Valve Fail Position:** Closed position

**Time:** 1 second - max. stroke time

# SPECIAL REQUIREMENTS

**Cleanliness Level:** Commercial clean

**Packaging:** See Specification

**Other:** Provide and tag limit switches as MKS-XXXXXXXA for open and
MKS-XXXXXXXA for closed. Tag four-way solenoid valve MSV- XXXXXXX. X's
are same number as the valve.

Customer requires all materials of construction to be approved prior to
fabrication/shipment.

A complete additional set of softgoods, seats/seals, etc., will be
provided with each valve.

**[LOCATOR NUMBER]{.underline} [DRAWING NUMBER]{.underline}**

MV-15E3037-GN PSK-E3-3001-FAC

**Quantity:** 1 ea

**[CONSTRUCTION]{.underline}**

**Valve Type:** Ball, open/closed, trunnion mounted ball

**Size:** 4\"

**End Connections:** Reflange R-Con or Equal, Schedule XXS

**Body Material:** 304L, 316L, or 347 series SS

**Bonnet Material:** 304L, 316L, or 347 series SS

**Trunnion Bearing Material:** bronze or aluminum bronze

**Stem/Plug Material:** 304L, 316L, 347, or A286 SS

**Soft-goods:** PTFE, Kel-F, Viton-A

**Plug Type:** Ball

**Seat Type:** Compatible with gaseous nitrogen and gaseous helium and
capable of withstanding bi-directional flow and high differential
pressure.

**Flow Direction:** Bi-directional

**Allowable Seat Leakage:** Per Specification

**[[SERVICE]{.underline}]{.smallcaps}**

**Media:** Gaseous nitrogen and gaseous helium

**Design Pressure:** 6000 psig (Std. Class 2500 per ASME B16.34)

**Maximum Pressure**

**Differential:** 6000 psig

**Design Temperature:** -20° to 120° F

**Minimum Cv:** 675 (full port ball)

**[ACTUATION]{.underline}**

**Method:** Pneumatic, on/off

**Type:** Double acting cylinder with spring assist

**Media:** GN2; pressure to be [\<]{.underline} 150 psig

**Valve Fail Position:** Closed position

**Time:** 1.0 seconds max. stroke time

# SPECIAL REQUIREMENTS

**Cleanliness Level:** Commercial clean

**Packaging:** See Specification

**Other:** Provide and tag limit switches as MKS-XXXXXXXA for open and
MKS-XXXXXXXA for closed. Tag four-way solenoid valves MSV- XXXXXXX. X's
are same number as the valve.

Customer requires all materials of construction to be approved prior to
fabrication/shipment.

A complete additional set of softgoods, seats/seals, etc., will be
provided with each valve.