TUNV / THUNV SERIES■

Maximum Working Pressure
TUNV SERIES : 6,000 psig (413 bar) @ 100˚F (37˚C)
THUNV SERIES : 10,000psig (689bar) @ 100˚F (37˚C)■

Working Temperature Range : -65˚F(-54˚C) to 1,200˚F(648˚C)

| UNION BONNET NEEDLE VALVESORDERING INFORMATIONSS

TUNV1A

4SW

SPKR

1234567

Material

Designator*316 SSSS

1. BODY MATERIAL

2. VALVE SERIES
Orifice Size

Designator
TUNV14.0mm

THUNV1TUNV26.4mm

THUNV2TUNV3* The Orifice Size is determined using valves with TKF tube fitting end connections.
* For more details, See the Dimensions Table.

4. INLET/OUTLET CONNECTION SIZE & TYPE

3. BODY PATTERN
Designator

Inlet/Outlet Connection Size

Designator

Blank

2-Way Angle

A

1/8″
1/4″3/8″1/2″3/4″1″
6mm
8mm
10mm
12mm

246812166M
8M
10M
12M

5. HANDLE TYPE
Handle Type

Designator

Inlet/Outlet Connection Type

Designator

Anodized Black Aluminum Bar Handle (Standard)

Blank

Lok

SW316 Stainless Steel Bar Handle

SMale NPTNM

6. PACKING MATERIAL
Packing MaterialDesignator

PTFE (Standard)

Blank

PEEKPK

Grafoil

GFemale NPT

NF

Male ISO① Tapered

PTM

Female ISO① Tapered

PTF

Tube Socket Butt WeldBW

Pipe Socket Butt Weld

PBW

MFS MaleVM

GI PRODUCTS /NEEDLE VALVE SERIES

Body Pattern
2-Way Straight (Standard)

UNION BONNET NEEDLE VALVES

11.0mm① Refer to specifications ISO 7/1, BS EN 1022 6-1, DIN-2999, and JIS B0203.

7. STEM TYPE
Stem Type

Designator

Vee Stem (Standard)

Blank

Regulating StemR

Non-Rotating Ball Stem

B

Soft-Seat Stem + PCTFE

SPC

Soft-Seat Stem + PTFESPT

TK-FUJIKIN Total Products527

UNION BONNET NEEDLE VALVES |FEATURES■ Panel mountable■ Non-rotating stem tip■ Variety of stem tips

■ Variety of end connection■ Straight or Angle pattern

TECHNICAL DATATEMPERATURE - WORKING PRESSURE
Material

TUNV Series

THUNV Series

316 SS

316 SS

Temperature Rating, ºF (ºC)
6,000 (413)

UNION BONNET NEEDLE VALVESGI PRODUCTS /NEEDLE VALVE SERIES

Working Pressure, psig (bar)-65 (-53) to 100 (37)

10,000 (689)

200 (93)

5,160 (355)

9,290 (640)250 (121)

4,910 (338)8,840 (609)

300 (148)

4,660 (321)8,390 (578)350 (176)

4,470 (307)8,045 (554)

400 (204)

4,280 (294)7,705 (530)450 (232)

4,130 (284)7,435 (512)500 (260)

3,980 (274)7,165 (493)

600 (315)

3,960 (259)6,770 (466)650 (343)

3,700 (254)

6,660 (458)700 (371)

3,600 (248)6,480 (446)750 (398)

3,520 (242)

6,335 (436)800 (426)

3,460 (238)

6,230 (429)850 (454)

3,380 (232)

6,085 (419)

900 (482)

3,280 (225)

5,905 (406)950 (510)

3,220 (221)5,795 (399)

1,000 (537)

3,030 (208)5,450 (375)

1,050 (565)

3,000 (206)

5,400 (372)

1,100 (593)

2,685 (184)

4,835 (333)1,150 (621)

2,285 (157)

4,115 (283)

1,200 (648)

1,715 (118)

3,085 (212)

TEMPERATURE - PRESSURE RATING ACCORDING TO PACKING MATERIALS
Packing Material

Temperature Rating, ºF (ºC)

PTFE

Pressure Rating@Max. Temperature
TUNV Series

THUNV Series-65 ~ 450 (-53 ~ 232)

5,710psig (393bar)

7,435psig (512bar)

PEEK-65 ~ 600 (-53 ~ 315)

5,040psig (347bar)

6,770psig (466bar)Grafoil-65 ~ 1,200 (-53 ~ 648)

1,715psig (118bar)

3,085psig (212bar)

FLOW DATA AT 70°F (20°C)
FLOW COEFFICIENT AT TURNS OPENTESTING■ For leakage, Each valve is tested with nitrogen at 1,000psig (69bar)
The leakage shall not exceed 0.1 std cc/min (Max. 0.1 std cc/min)

CLEANING AND PACKAGING■ Every valve is cleaned and packaged in accordance withthe standard specification of cleaning and packaging.
■ Non-Rotating Ball Stem Tip■ The Non-Rotating Ball Stem is designed to be used in a fully
closed position.

528 TK-FUJIKIN Total Products

| UNION BONNET NEEDLE VALVES

MATERIAL OF CONSTRUCTIONTHUNV SERIES

MaterialDescription

1Material Grade / ASTM Specification
316 SS / A479

Body

2

GI PRODUCTS /NEEDLE VALVE SERIESNo.

UNION BONNET NEEDLE VALVESTUNV SERIESBonnet316 SS / A479

Bonnet Nut

316 SS / A276
Vee Tip34

Non-Rotating Ball Tip

StemSoft Tip

316 SS / A276

Regulating Tip
PTFE (C:15%)

5

Packing Support

6PackingPTFE

7Gland316 SS / A276

8Packing Bolt

316 SS / A276

9Lok Nut

316 SS / A276

10Panel Nut304 SS11Handle

A6061B

12Pin316 SS / A276

13Set Screw

304 SS

TK-FUJIKIN Total Products

529

UNION BONNET NEEDLE VALVES |DIMENSIONSTUNV SERIESUNION BONNET NEEDLE VALVESStraight Pattern

Order NumberSeriesPart No.

Orificein. (mm)

Dimensions in. (mm)B
1.0(25.4)
1.03(26.2)
1.00(25.4)
1.03(26.2)

4VM

2.0(50.8)
2.06
1/4" Female NPT(52.3)
2.0
1/4" Male NPT(50.8)
1/4"
1/4"
2.03
Male NPT Female NPT (51.6)
1/4" Lok
0.4
2.40
6mm Lok(61.0)
8mm Lok
1.82
1/4" Tube Soket Butt Weld (46.2)
2.06
1/4" MFS Male(52.3)

4NF

1/4" Female NPT

6NF

3/8" Female NPT

6SW

3/8" Lok

8SW

1/2" Lok

4NF
4NM
4NM

4NF

4SW

0.157
(4.0)

8MSW
4BW

10MSW
TUNV2
12MSW

Inlet

Outlet1/8" Female NPT

6MSW

GI PRODUCTS /NEEDLE VALVE SERIESEnd Connections
Cv
A

2NF

TUNV1

Angle Pattern

0.252
(6.4)

10mm Lok
0.86
12mm Lok

16NF
8NM

8NF

12NM 12NF
16NM 16NF
8SW
TUNV3
12SW

0.433
(11.0)

16SW
12MSW
8BW

2.2
12BW
8PBW2.4 1/2" Pipe Socket Butt Weld

8VM

1.9

530 TK-FUJIKIN Total Products

1/2" MFS Male

1.27(32.3)

1.28(32.5)

1.38(35.1)
1.27(32.3)

1.09(27.7)
1.28(32.5)

1.09(27.7)

0.88(22.4)-

1.19(30.2)-

1.25(31.8)-

1.09(27.7)-

2.25(57.2)

1.12(28.4)

1.0(25.4)

1.12(28.4)

1.50(38.1)

1.47(37.3)

2.83(71.9)
3.04(77.2)
2.85(72.4)
3.04(77.2)

1.41(35.8)
1.52(38.6)
1.42(36.1)
1.52(38.6)

1.29(32.8)
1.40(35.6)
1.30(33.0)
1.40(35.6)

1.79(45.5)
1.90(48.3)
1.80(45.7)
1.90(48.3)

1.22(31.0)
1.34(34.0)
1.35(34.3)

1.20(30.5)

3.12(79.2)

E1
0.38(9.7)
0.39(9.9)
0.38(9.7)
0.39(9.9)

E2

1.75(44.4)

1.09(27.7)
0.38(9.7)

3.04(77.2)
3.23(82.0)

0.59(15.1)

3.04(77.2)

3.70(94.0)

1.31(33.3)---

1.31(33.3)

1.56(39.6)

2.37(60.2)---

1.96(49.8)

1.68(42.7)

2.08(52.8)

2.37(60.2)

1.82(46.2)

1.88(47.8)

0.62(15.7)

0.69(17.5)

2.04(51.8)
1.96(49.8)

1.68(42.7)
1.31(33.3)
1.31(33.3)-

2.08(52.8)
1.69(42.9)
1.56(39.6)-

2.37(60.2)
2.00(50.8)
2.00(50.8)-

1.88(47.8)-

0.69(17.5)-

1.53(38.9)
1.82(46.2)
1.91(48.5)
2.13(54.1)
1.82(46.2)
1.91(48.5)
2.13(54.1)

1.82(46.2)
1.88(47.8)
1.82(46.2)

1.40(35.6)
1.47(37.3)
2.00(50.8)
2.0(50.8)-

1.88(47.8)
2.00(50.8)--

3.04(77.2)
3.04(77.2)-

0.50(12.7)

0.50(12.7)

2.50(63.5)

0.78(19.8)

3.69(93.7)

1.34(34.0)

1.50(38.1)

J

0.28(7.1)-

3.82(97.0)

1.56(39.6)
1.56(39.6)
1.62(41.1)
1.81(46.0)
1.56(39.6)
1.62(41.1)
1.81(46.0)

1.56(39.6)

HH(Straight) (Angle)

0.38(9.7)-

1.0(25.4)

2.00(50.8)

G

0.38(9.7)

1.12(28.4)

1.34(34.0)

F

3.23(82.0)

1.66(42.2)
1.65(41.9)
1.55(39.4)
1.65(41.9)
1.25(31.8)
1.00(25.4)
1.12(28.4)
1.56(39.6)

1/ 2" Tube Socket Butt Weld
3/4" Tube Socket Butt Weld

1.0(25.4)

D2

0.91(23.1)
1.03(26.2)

8BW

8NF

1.0(25.4)
0.89(22.6)

D1

1.54(39.1)

2.25
1/2" Tube Socket Butt Weld (57.2)
1/4" Pipe Socket Butt Weld
3.12
1/2" MFS Male(79.2)
3.12
1/2" Female NPT(79.2)
3.25
3/4" Female NPT2.4(82.6)
3.62
1" Female NPT(91.9)
1/2" Male 1/2" Female 3.12
NPTNPT(79.2)
Male 3/4" Female 3.25
1.9 3/4"NPTNPT(82.6)
3.62
1" Male NPT 1" Female
NPT(91.9)
2.1
1/2" Lok
3.92(99.6)
3/4" Lok
2.4
4.09
1" Lok
(104)
3.92
1.9
12mm Lok(99.6)

12NF

0.89(22.6)

C

1.48(37.6)

3/8" Tube Socket Butt Weld

8VM

B2

1.16
(29.5)

6BW

4BW

B1

3.57(90.7)
3.70(94.0)
3.71(94.2)
3.70(94.0)

3.70(94.0)

0.62(15.7)
0.62(15.7)
0.78(19.8)
1.00(25.4)
0.62(15.7)
0.78(19.8)
1.00(25.4)

0.62(15.7)
0.69(17.5)
0.62(15.7)

3.88(98.6)
4.78
(121)
4.88
(124)
5.10
(129)
4.78
(121)
4.88
(124)
5.10
(129)

0.69
(17.5)
0.69(17.5)-

0.69(17.5)
0.69(17.5)-

3.50(88.9)

3.76(95.5)
3.82(97.0)
4.97
(126)

-

0.31
(7.9)
0.38
(9.7)
-

4.97
(126)
-

-

1.03
(26.2)
4.78
(121)

4.85
(123)
4.78
(121)

4.85
(123)

4.97
(126)
-0.38(9.7)
0.44(11.2)
0.38(9.7)-| UNION BONNET NEEDLE VALVES

2. THUNV SERIES
Straight Pattern

UNION BONNET NEEDLE VALVESPart No.

Orificein. (mm)Cv

End Connection
Inlet

Outlet2NF

1/8" Female NPT

4NF

1/4" Female NPT

4NM
THUNV1
4NM

4NF

0.157
(4.0)

1/4"Male NPT

Dimensions in. (mm)A

B

2.25(57.2)

1.13(28.7)

0.4
1/4" Male NPT 1/4” Female NPT

C

DE

F

H

1.38(35.1)

0.50(12.7)

2.50(63.5)

0.81(20.6)

3.31(84.1)

4SW1/4" Lok

2.82(71.6)

1.41(35.8)

4BW

1/4" Tube socket Butt weld

2.25(57.2)

1.13(28.7)

4NF

1/4" Female NPT

3.13(79.5)

1.56(39.6)

1.81(46.0)

0.63(16.0)

1/2" Female NPT

3.25(82.6)

1.63(41.4)

1.94(49.3)

0.78(19.8)

1/2" Male NPT

3.13(79.5)

1.56(39.6)

1.81(46.0)

0.63(16.0)

1/2" Male NPT 1/2" Female NPT

3.25(82.6)

1.63(41.4)

1.94(49.3)

0.78(19.8)

8NF
THUNV28NM
8NM

8NF

0.252(6.4)

0.9J-

0.28(7.1)
4.13(105)
3.50(88.9)

1.06(26.9)

4.25(108)
4.13(105)-

4.25(108)

TK-FUJIKIN Total Products

531

GI PRODUCTS /NEEDLE VALVE SERIES

Order NumberSeries