ANSI CLASS 150 CAST STEEL LINER OF PTFE OR FEP DIAPGHRAGM VALVE BOLTED BONNET DESIGN

DIAPGHRAGM VALVE PRODUCT’S SIZE:

PRESSURE GRADE          FROM           TO

CLASS 150                1/2”           10”

DESIGN DESCRIPTION:

POLYFLUORTRTRAETHYLENE LINING DIAPHRAGM VALVE

ADOPTING SPECIAL TECHNOLOGY TO LINE THE PTFE

TO BODY, PTFE AND CUSHIONED WITH NITRILE RUBBER

TO DIAPHRAGM COMPONENTS AND ENABLE EACH

COMPANENTS TO SAME ANTI-CORROSION ABILITY.

THIS PRODUCTS HAVEE GOOD THROTTLING TRAITS,

ANTI-CORROSION, PARTICLE RESISTANCE, STEADY FIGHTNESS

AND CAN BE WIDELY APPLIED TO VARIOUS CORROSIVE LIQUID,

FIBER AND POWDER MEDIUM.

ACUATOR: HANDWHEEL, ELECTRIC ACTUATOR, PNEUMATIC

APPLICALBE MEDIA: VITRIOL, HYDROFLUORIC ACID,

PHOSPHORIC ACID, GASEOUS CHLORICE, STRONG ALKALI,

AQUA REGIA AND SO ON MEDIUMWITH STRONG CAUSTICITY.

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~415 F

GENERAL DESIGN SPECIFICATIONS:

ITEM                                         CLASS 150

MANUFACTURE                                  MANUFACTOR STANDARD

FACE TO FACE                                 ANSI B16.10

END FLANGE                                   ANSI B16.5

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           ASTM A216-WCB                     ASTM A 126

2  BONNET        ASTM A216-WCB                     ASTM A 126

3  DIAPHRAGM    NBR+FEP OR NBR+PTFE

4  DISC           13CR OR STAINLESS STEEL

5  STEM NUT      CARBON STEEL

6  STEM          13CR OR STAINLESS STEEL

7  H.W. LUCK NUT    BRONZE

8   HANDWHEEL     CAST IRON

9   LINNER          PTFE OR FEP

OTHER MATERIALS ARE AVAILABLE UPON REQUEST.