شیر پروانه ای ویفری BV12008W

Advantages at a glance

100% tight shut off, 0% leakage Aerodynamic butterfly design that minimizes pressure drop Anti blow out stem Bi-directional sealing Complete body lined with elastomer Lightweight design for easier installation Low operation torque One piece body design Self-cleaning

Specifications

Body material

A351-CF8M

Max operating temperature

210ºC

Max operating pressure

PN40

Ends

Thread ends BSP female

Size

DN 40 – DN200

Nominal pressure

PN10, PN16 EN 1902-2 / ASME 150# Acc. to B16.5

Design

DIN EN 593 / BS 515

Certifications

CE-Marking, TA Luft, ATEX, WRAS

Marking

EN19, MSSP

Face to Face dimension

DIN EN 558 line 20 / API 609 table 1

Mounting flange

DIN EN ISO 5211

Test

DIN EN 12266-1 leakage rate A bidirectional / API 598 / ISO 5208 category 3

Bodymaterial

EN1563 EN-GJS-400-15

Disc material

CF8M

Seat materials / Working temperature

NBR from -25ºC to + 100ºC
EPDM from -35ºC to + 130ºC
FKM from -20ºC to + 200ºC

کاربردها

NBR

AIRCOLD WATERGASHOT WATERHYDROCARBONSOILS

EDPM

COLD WATERDILUED ACIDSHOT WATERSEA WATERSTEAM

FKM

ACIDSHYDROCARBONSOILS