FEATURES
Stainless steel Dual plate check valve test:
1.Body Test: 1.5 times the working pressure with water. This test is performed after valve assembly and with disc in half position open, it is called as a body hydro test.
2.Seat Test: 1.1 times the working pressure with water.
Function / Operation Test: At the time of final inspection, each valve and its actuator (Flow-Control Lever / Gear / Pneumatic Actuator), under goes a complete operating test (Open/Close). This test carried out without pressure and at ambient temperature. It ensures the correct operation of the valve / actuator assembly with accessories such as solenoid valve, limit switches, air filter regulator etc.
3.Special Test: On request, any other test can be carried out according to special instruction by client.
| Name | Body | Seat | Disc | Stem |
| Material | 304 | EPDM | 304 | 304 |
| Size | A | B | H | |
| 50 | 102 | 65 | 45 | |
| 65 | 120 | 80 | 48 | |
| 80 | 133 | 94 | 65 | |
| 100 | 157 | 117 | 66 | |
| 125 | 188 | 145 | 73 | |
| 150 | 215 | 170 | 80 | |
| 200 | 273 | 224 | 90 | |
| 250 | 330 | 265 | 115 | |
| 300 | 375 | 310 | 116 | |
| 350 | 435 | 360 | 130 | |
| 400 | 450 | 410 | 140 | |
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Q:When the products will be shipped ?
A:Within 7-15 days after receing the prepayment.
Q:Do you have OEM service ?
A:Yes . A variety of products size , quality and quantity can be cutomized according to your needs.
Q:Could you offer a free sample ?
A:Yes , samples can be proveded for free.
Q:How can I pay for the products ?
A: We accept a variety of payment methods. Such as T/T , L/C,D/P ,Western Union , Paypal ,Trade Assurance.
Q: How do you deal with that if there are some quality problems in products?
A: We will be responsible for all the quality problems.
Q:Are you a facrory or trade company ?
A: We are a factory with 26 years experience in valve research and production .
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