DIAPGHRAGM VALVE PRODUCT’S SIZE:

PRESSURE GRADE            FROM           TO

CLASS 150                 1/2”           10”

DESIGN DESCRIPTION:

Two-piece Splite body bolted cap in design.

Lining PTFE Or PFA body, cap and ball

Ball and stem is integral design.

Long cycle life, Low uniform torques.

Double D Stem Head Design Provides Mounting Of The Lever.

Yoke and holder for actuator is available.

High voltage test for PTFE AND PFA lining.

Uniqure Sealing seat design.

Gear, Pneumatic Actruator, Electric Actruator.

WORKING PRESSURE AND TEMPERATURE:

WORKING TEMPERATURE

MATERIAL                    CAST STEEL                          PTFE

CELSIUR SCALE               -29 C~425 C                         -80 C~200 C

FAHRENHEIT                  6 F~822 F                           -80 F~400 F

GENERAL DESIGN SPECIFICATIONS:

ITEM                                           CLASS 125

MANUFACTURE                                    MANUFACTOR STANDARD

FACE TO FACE                                   ANSI B16.10

END FLANGE                                     ANSI B16.5a

INSPECTION AND TEST                            API 598

LINING VILTAGE TEST                            25KV HIGH VOLTAGE

TEST PRESSURE TO API598

CLASS     SHELL (WATER)           SEAT (WATER)            SEAT (AIR)         BACK SEAT(WATER)

150     3.1MPA      450PSI      2.2MPA      315PSI       0.6MPA    80PSI    3.1MPA       450PSI

PARTS AND MATERIAL (ASTM)

NO.        PARTS NAME                    MATERIALS

1          BODY                          WCB+PTFE/PFA

2           BALL                          WCB+PTFE/PFA

3           CAP                           WCB+PTFE/PFA

4           NUT                           CARBON STEEL

5           SPRING WASHER                 CARBON STEEL

6           SEAT                          PTFE

7           PACKING BOX                   WCB+PTFE/PFA

8           STEM PACKING                  PTFE

9           GLAND NUT                     CARBON STEEL

10         GLAND                         WCB

11         NUT                           CARBON STEEL

12         LEVER                         WCB

DIMENSIONS LIST(UNIT:MM):

Size                     DN              L                  H                 W                 W(kg)

1/2”                     15               110               100               140                3.5

3/4”                     20               117               105               140               4

1”                       25               127               110               140                5.5

1-1/4”                   32               140               130               200                7

1-1/2”                   40               165               135               200                9

2”                       50               178               145               250               15.5

2-1/2”                   65               190               155               250               19.5

3”                       80               203               210               350               30

4”                       100              229               235               350               40

5”                       125              254               255               450               57

6”                       150              267               285               450               73.5

8”                       200              292               328               550               121

10”                       250             330               370               -                  159