Gate valve

GA-ZK

Wedge gate valves with cartridge spindle are designed to be installed as shut-off devices for shutting off the working medium flow and ensuring the safe operation of pipelines and equipment.

Cast and forged steel wedge gate valves are manufactured in accordance with TS 374100-004-19448022-2018 in accordance with the requirements of the Methodological Instructionsof the Company PAO “NK Rosneft” No. P1-01.05 М-0082 “Unified Technical Requirements. Wedge gate valves.»

 

Purpose	For installation as a locking device on pipelines
DN	10..1400mm
PN	16..320 kgf/sm²
Type of the pipeline connection	flange; for welding; collar-type
Type of flange connection	GOST 33259-2015, ASME B16.5
Type of operation	Manual (gear operation, handwheel); electric actuator
Working medium	Liquid and gaseous environments, combustible gases, oil, oil products, water (reservoir, produced, waste, etc.), steam, oil and gas-liquid mixtures, emulsions, environments containing hydrogen sulfide, chemical production environments, aggressive media.
Leakage rate	In according GOST 9544-2015
Climatic modification	U; HL; UHL (GOST 15150-69)
Ambient air temperature	from minus 60°С to +60°С
Working medium temperature	from minus 60°С to +565°С

The main basic parts of GA-ZK are made of the following materials:

ASTM A352 LCB, ASTM A352 LC1, ASTM A216 WCB, ASTM A351 CF8, ASTM A351 CF8M, ASTM A351 CF8C, ASTM A351 CN7M, ASTM A217 WC9, ASTM A217 WC6, ASTM A217 C5, ASTM A105, ASTM A350 LF2, ASTM A182 F5, ASTM A182 F11, ASTM A182 F22, ASTM A182 F316, ASTM A182 F321, ASTM A182 F347, ALLOY 20.