safety valve theory A42H cast steel spring loaded safety valve
safety valve theory A42H cast steel spring loaded safety valve
Usage:
This kind of valve is normally used together with the requirement or circuits as the overpressure protection device that work under a steam,air,water or other non-corrosive medium with a temperature range lower than 350 degree centigrade.
Main parts and materials:
Parts name | Materials |
Valve body | WCB |
Dise,Seat ring,Adjusting ring,Valve guide,Adjusting screw,Stem | 2Cr13,Stainless steel |
Bonnet,Protective cover | WCB |
Spring | 50CrVA,Spring steel |
Function and specfication:
Type | Nominal pressure(MPa) | Testing pressure | Working pressure in psig classes |
A42H-16C | 1.6 | 2.4 | 0.1-0.14 0.14-0.2 0.2-0.3 0.3-0.45 0.45-0.65 0.65-0.9 0.9-1.2 1.2-1.6 |
Outline and connecting measurement:
Nominal DN(mm) | D0 | L | D | K | G | B | z-Φd | D1 | K1 | G1 | B1 | D1 | Z1-Φd1 | H | H1 |
40 | 32 | 120 | 150 | 110 | 88 | 16 | 4*Φ17.5 | 150 | 110 | 88 | 16 | 40 | 4-Φ17.5 | 300 | 110 |
50 | 40 | 130 | 165 | 125 | 102 | 16 | 4-Φ17.5 | 165 | 125 | 102 | 16 | 50 | 4-Φ17.5 | 315 | 115 |
65 | 50 | 140 | 185 | 145 | 122 | 18 | 4-Φ17.5 | 185 | 145 | 122 | 18 | 65 | 4-Φ17.5 | 350 | 125 |
80 | 65 | 160 | 200 | 160 | 133 | 20 | 8-Φ17.5 | 200 | 160 | 133 | 20 | 80 | 8-Φ17.5 | 350 | 135 |
100 | 80 | 170 | 220 | 170 | 158 | 22 | 8-Φ17.5 | 220 | 180 | 158 | 22 | 100 | 8-Φ17.5 | 580 | 160 |
Feature:
Size: Various
Medium: Water,steam,oil,strong base and so on
Suppplier: Factory Direct
Application: used in large diameter (LV) air,gas pipes road and water routes
Q: Are you a factory or the trading company?
A: We are factory and we have the export licensed.
Q: Can you provide the free samples?
A:Yes, the free samples is available. You just need to pay the freight cost.
Q: Do you have agent or representative abroad?
A: We don't have the agent abroad. If you are interesting to be our agent and enjoy more price. Pls contact us then we can discuss more detailed.
Q: Can we print the LOGO on products?
A: Yes, the OEM is available with the permission of our customers.
Q: How long is your leading time?
A: The leading time depends on your quantity, normally 30-40days.
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