GOST Russian standard pneumatic gate valve.

Specification:
Size:  DN15-DN1200 ,2"~24"
Model:Z40H/Z940H
Pressure: PN16-PN250,150LB~2500LB
Material:  1.0619/GP240GH/GS-C25(WCB), 1.7357 (WC6) ,1.7379/1.7382(WC9),1.7363 (C5), 1.7389 (C12), 1.4308(CF8), 1.4408(CF8M), 1.4552(CF8C).Etc
Type: Rising Stem and Wedge Single Disc, Solid or Flexible wedge, flat gate.
Operation: Handwheel, gear worm ,Electric operated

Standard:
Design & Manufacture Std.:  GB/T12234,DIN3352,GOST 12820-80,API600,Etc.
Face to Face Std.: GB/T12221,DIN3202,ASME B16.10,Etc.
End Connection Std.: JB/T79,DIN2543-2550,GOST 12820-80,ASME B16.5,Etc.
Test Standard: ISO5208, API 600, BS 6755,API598.
NO.