DS695696-0317

s u n i q u e q ua d -b a l l d i v e r s i o n s ys t e m

r e vo l u t i o n a ry f o u r b a l l d e s i g n t h at e f f i c i e n t ly d i v e rt s t h e p i p e l i n e

f l ow f ro m o n e c h a m b e r to t h e ot h e r. t e f l o n s e at s e n s u r e a p o s i t i v e

s e a l a n d h e l p to p r e v e n t s e e pag e i n to t h e c h a m b e r t h at i s b e i n g

c l e a n e d.

s l ow o p e r at i n g to r q u e

t i ta n f c i ' s d u p l e x s t r a i n e r f e at u r e s a l ow to r q u e , e a s y to o p e r at e

h a n d l e t h at d o e s n ot r e q u i r e a n y au to m at i o n. a d d i t i o n a l ly, t h e

h a n d l e ' s p o s i t i o n c l e a r ly i n d i c at e s w h i c h b a s k e t i s i n s e rv i c e a n d

w h i c h b a s k e t c a n s a f e ly b e r e m ov e d f o r c l e a n i n g.

s r e d u c e d m a i n t e n a n c e

t h e q ua d b a l l d e s i g n i s o l at e s e ac h c h a m b e r a n d k e e p s t h e s e rv i c i n g

c h a m b e r d ry d u r i n g c l e a n i n g. n o s p e c i a l to o l s a r e r e q u i r e d to

ac c e s s a n d r e m ov e t h e s t r a i n i n g e l e m e n t f ro m t h e c h a m b e r. c ov e r

v e n t s , d r a i n p l u g s , a n d f o ot pa d s a r e p rov i d e d o n e ac h c h a m b e r.

s n u m e ro u s ot h e r b e n e f i t s

t i ta n' s n e w d e s i g n o f f e r s c o u n t l e s s ot h e r a dva n tag e s i n c l u d i n g: n o

i n t e r ru p t i o n i n s e rv i c e , c o m pac t s t ru c t u r e , l o n g s e rv i c e l i f e , a n d l ow

p r e s s u r e d ro p .

TECHNICAL T

®

TITAN

TITAN FLOW CONTROL, INC.

AAPPLICATIONS

FEATURES F

Tel: 910-735-0000 s Fax: 910-738-3848 s titan@titanfci.com s www.titanfci.com

290 Corporate Drive s PO Box 7408 s Lumberton, NC 28358

YOUR PIPELINE TO THE FUTURE!

TITAN FLOW CONTROL, INC.

SIZE RANGE: 6" ~ 8"

g e n e r a l a p p l i c at i o n : t h e d u p l e x s t r a i n e r i s a u n i q u e p ro d u c t w i t h i n t h e p i p e l i n e i n d u s t ry. l i k e ot h e r

b a s k e t s t r a i n e r s , t h e d u p l e x s t r a i n e r p rot e c t s e x p e n s i v e d ow n s t r e a m e q u i p m e n t b y m e c h a n i c a l ly r e m ov i n g

s o l i d s f ro m f l ow i n g f l u i d s v i a a p e r f o r at e d, m e s h, o r w e d g e w i r e s t r a i n i n g e l e m e n t. h ow e v e r, t h e d u p l e x

s t r a i n e r i s d e s i g n e d w i t h t wo b a s k e t c h a m b e r s a n d a f l ow d i v e rt e r s ys t e m t h at a l l ow s t h e p i p e l i n e f l ow

to b e s w i t c h e d f ro m o n e c h a m b e r to t h e ot h e r, c o m p l e t e ly i s o l at i n g t h e f l ow to a s i n g l e c h a m b e r. t h i s

m a k e s t h e d u p l e x s t r a i n e r i d e a l f o r n o n-i n t e r ru p t i b l e a p p l i c at i o n s t h at c a n n ot b e s h u t d ow n d u r i n g

ro u t i n e m a i n t e n a n c e a n d c l e a n i n g o p e r at i o n s .

The above data represents common market and service applications. No representation or guarantee, expressed or implied, is given due to the numerous variations 

of concentrations, temperatures and flow conditions that may occur during actual service.

1. The above listed temperatures are theoretical and 

may vary during actual operating conditions.

MODELS: DS 695-CI

(Flanged - Cast Iron)

DS 696-CS

(Flanged - Carbon Steel)

DS 696-SS

(Flanged - Stainless Steel)

DUPLEX STRAINER f QUAD BALL TYPE f THREE PIECE BODY

ASME CLASS 125 (CI) & 150 (CS & SS) f FLANGED

new

Quad-Ball

Design!

PRESSURE/ TEMPERATURE RATING (1)

CAST IRON - A126 GR.B - CLASS 125

WOG (Non-shock): 200 PSI @ 150 °F

PRESSURE/ TEMPERATURE RATING (1)

CARBON STEEL- A216 GR. WCB - CLASS 150

WOG (Non-shock): 285 PSI @ 100 °F

PRESSURE/ TEMPERATURE RATING (1)

STAINLESS STEEL- A351 GR. CF8M - CLASS 150

WOG (Non-shock): 275 PSI @ 100 °F
TITAN FLOW CONTROL, Inc.

290 Corporate Drive E-mail: titan@titanfci.com

Lumberton, NC 28358 Web: www.titanfci.com

Tel: 910.735.0000 Fax: 910.738.3848

DS695696-0317

®

TITAN

Titan FCS/SS makes every effort to ensure the information presented on our literature accurately reflects exact product specifications. However, as product changes occur, there may be short-term differences between actual product 

specifications and the information contained within our literature. Titan FCS/SS reserves the right to make design and specification changes to improve our products without prior notification. When required, request certified drawings.

MATERIALTEMPERATURES

Seat/Seal/Ball Temp Range

Buna-N (Seal) -20 ~ 250 °F

Viton (Seal) -40 ~ 400 °F

Stainless Steel Ball Max 450 °F

REFERENCED STANDARDS & CODES

Code Description

ASME/ANSI B16.5 Pipe Flanges and Flanged Fittings

ASME/ANSI B16.11 Forged Steel Fittings, Socket-Welding, and Threaded

ASME B16.1 Gray Iron Pipe Flanges and Flanged Fittings

1. Dimensions, weights, and flow coefficients are provided for reference only. 

Always request certified drawings.

Please contact factory for more information.

DIMENSIONS AND PERFORMANCE DATA (1)

SIZE (2) in 6" 8"

mm 300 350

AF DIMENSION

FACE TO FACE

in 22 26.75

mm 559 680

B DIMENSION

UNIT WIDTH (including plug)

in 35.31 48.50

mm 897 1368

C DIMENSION

HEIGHT WITH HANDLE

in 35.63 45.12

mm 905 1146

D DIMENSION

CENTER LINE TO BOTTOM

in 24.45 30.39

mm 621 772

E DIMENSION

BASKET REMOVAL

in 48 62

mm 1220 1575

APPROXIMATE WEIGHT

DS DS695/696, FLANGED

lb 850 1600

kg 386 726

Flow Coefficient Cv 429 776

ASME Class

125 CI

ASME Class

150 CS & SS

PRESSURE - TEMPERATURE RATING

ASME Class 125 DS 695-CI

WOG (Non-shock) 200 PSI @ 150 °F

ASME Class 150 DS 696-CS DS 696-SS

WOG (Non-shock) 285 PSI @ 100 °F 275 PSI @ 100 °F

STANDARD SCREEN SELECTIONS

Size Liquid Open Area Steam Open Area

6" ~ 8" 1/8" (0.125) 41% Not Recommended

Front View

Top View

Cut parts shown with hatch.

Illustrations are representative of a 1" DS696-CS (Flanged model).

Please ask for certified drawings when required.

DUPLEX BASKET STRAINER

Flanged Ends

DS 696-CS (Carbon Steel) • DS 696-SS (Stainless Steel)

DS 695-CI (Cast Iron)

No. Part DS 696-CS DS 696-SS DS 695-CI

1 Body Carbon Steel

A216 Gr. WCB

Stainless Steel

A351 Gr. CF8M

Cast Iron

A126 Gr. B

2 Straining Element(3) Stainless Steel Stainless Steel Stainless Steel

3 Cover Carbon Steel

A216 Gr. WCB

Stainless Steel

A351 Gr. CF8M

Cast Iron

A126 Gr. B

4 Ball Stainless Steel

Type 304

Stainless Steel

Type 304

Stainless Steel

Type 304

5 O-Ring Buna-N Viton Buna-N

6 Seat Teflon (PTFE) Teflon (PTFE) Teflon (PTFE)

7 Seal Buna-N Viton Buna-N

8 O-Ring Body Buna-N Viton Buna-N

9 Handle Carbon Steel

Zinc Coated

Carbon Steel

Zine Coated

Carbon Steel

Zinc Coated

BILL OF MATERIALS (1)

Cut View

1. Bill of Materials represents standard materials. Equivalent or better materials may be 

substituted at the manufacturer's discretion.

2. Aluminum Bronze units are also available.

3. Denotes recommended spare parts.

Larger, fabricated duplex strainers are available. Fabricated duplex strainers can be

designed to meet any space or application requirements.