Micro-Open Type Safety Valve

Model
A21

Micro-open type safety valve construction

Micro-open type safety valve chief property and specification

Working temperature	A21H=200℃ A21W=200℃ A21F-40℃~80℃
Suitable medium	Model A21H: air, ammonia, petroleum gas, water etc. Model A21W: corrosive gases, or liquid. Model A21F: liquefied petroleum

Micro-open type safety valve dimensions (mm)Top of page

Nominal Diameter DN (mm)	Dimensions (mm)
	Do	do	L	L1	G
15	20	12	35	65	G5/8"
20	25	16	42	76	G3/4"
25	31	20	50	84	G1"
32	ZG1 1/4"	25	55	85	G1 1/4"
40	ZG1 1/2"	32	55	84	G1 1/2"
50	ZG2"	40	67	101	G2"
65	ZG2 1/2"	50	76	120	G2 1/2"
80	ZG3"	65	83	135	G3"

Micro-Open Type Safety Valve ralated productsTop of page

• Spring Loaded Low Lift Type Safety Valve
• Closed Spring Loaded Low Lift Type-High Pressure Safety Valve
• Closed Spring Loaded Full Bore Type-High Pressure Safety Valve
• Corrugated-Duct Full-Open Type Safety Valve
• Spring Full-Open Type Safety Valve Sixth A Radiator
• Air Compressor Safety Valve
• Safety Overflow Valve
• Vacuum Negative-Pressure Safety Valve
• High Temperature And High-Pressure Safety Valve
• Special Full-Lift Safety Valve For Gas
• Safety Back-Flow Valve
• Twin spring type safety valve
• Inner Assemble Safety Valve
• Impulse Safety Valve
• Single-Lever Safety Valve
• Dual-Lever Safety Valve
• Middle Temperature And Pressure Impulse Safety Device
• Pilot Operated Safety Valve
• Micro-Open Type Safety Valve
• Spring Micro-Open Type Safety Valve
• A41C Type Pound-Grade Low Lift Spring Loaded Safety Valve
• WA41C blanced bellows spring loaded safety valve
• A42C Type Pound-Grade Low Lift Spring Loaded Safety Valve
• WA42C blanced bellows spring loaded safety valve
• A44C Type Pound-Grade Full Lift Spring Loaded Safety Valve
• WA44C blanced bellows spring loaded safety valve
• A48C Type Pound-Grade Full Lift Spring Loaded Safety Valve
• A48SC Type Pound-Grade Full Lift Spring Loaded Safety Valve
• TA、A Type Special Safety Valve Series For Oil Refining
• J Series Safety Valve With Jacket
• M、R、F Series Safety Valve Screwed/Flanged
• A46C Type Pilot-Operated Pressure Relief Valve

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