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Keyword： Spring Loaded Low Lift Type Safety Valve
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Our products now cover a wide range of standardized fluid control products that can be adapted to a variety of drive modes, comprising ball valves, butterfly valves, gate valves, globe valves, check valves, safety valves, rotary ball valves, plunger valves etc. Our products are widely used in water conservancy, municipal, electric power, gas, petrochemical, coal chemical, energy, environmental protection, medicine, real estate, metallurgy, mining and many other fields.
A27H type are used for the equipment and pipeline of water,air,steam etc.medium what the working temperature are less than 200℃.A27Y type are used for the equipment and pipeline of the quality with corrode medium what the working temperature are less than 200℃.Take for extra pressure devices.
Materials For Main Parts
| NO. | Name of part | Materials | ||
| A27H | A27Y-P | A27Y-R | ||
| 1 | Body | Ht350 | CF8 | CF8M |
| 2 | Seat | 35 | CF8 | CF8M |
| 3 | Adjusting ring | 20Cr13 | 304 | 316 |
| 4 | Disc | 20Cr13 | 304 | 316 |
| 5 | Spring | 50CrVA | 50CrVA Coated Teflon | 50CrVA Coated Teflo |
| 6 | Stem | 20Cr13 | 20Cr13 | 304 |
| 7 | Adjusting bolt | 45 | 20Cr13 | 304 |
| 8 | Cap | ZG200-400 | ZG200-400 | CF8 |
| Sealing surface of material | D507 Depositing D507 | Depositing stellite | ||
Dimensions(mm)
| Nominal diameter | Dimensions(mm) | |||||
| do | Rc | L | L1 | G | H | |
| 15 | 10 | 1/2" | 40 | 65 | 1/2" | 135 |
| 20 | 15 | 3/4" | 45 | 65 | 3/4" | 140 |
| 25 | 20 | 1" | 45 | 76 | 1" | 155 |
| 32 | 25 | 11/4" | 55 | 85 | 11/4" | 170 |
| 40 | 32 | 11/2" | 60 | 90 | 11/2" | 310 |
| 50 | 40 | 2" | 67 | 105 | 2" | 322 |
| 65 | 50 | 21/2" | 76 | 128 | 21/2" | 344 |
| 80 | 65 | 3" | 110 | 145 | 3" | 395 |
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Address: No. 4900 Binhai 3rd Road, Longwan District, Wenzhou City, Zhejiang Province
Production Base: No.11 Xu'an Industrial Zone, Qingtian County, Lishui City
Phone: +86-577-86569666/85986466
Fax: +86-577-85888877
Email: zhu.yuqing@zgkkv.com
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