TOBO STEEL GROUP CHINA
| Payment Terms | D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 30000PCS/Month |
| Delivery Time | 15 days |
| Packaging Details | plywood cases |
| Type | GA901/902/911/912 |
| Max. temperature | 121℃ |
| Sealing material | EPDM |
| Medium | Liquid, gas |
| Butt weld end dimension | according to DIN, SMS, 3A, ISO, BS |
| Nominal Diameter | 20/32mm-150/250mm |
| Valve Body | 304, or 316L stainless steel |
| Working Temp | -10~450 deg |
| Nominal Pressure | PN40/16 |
| Butt Weld Connection Standard | DIN11850, DIN11866, EN10367, ISO1127, ISO2037 |
| Brand Name | TOBO |
| Model Number | / |
| Certification | ISO |
| Place of Origin | China |
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Product Specification
| Payment Terms | D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 30000PCS/Month |
| Delivery Time | 15 days | Packaging Details | plywood cases |
| Type | GA901/902/911/912 | Max. temperature | 121℃ |
| Sealing material | EPDM | Medium | Liquid, gas |
| Butt weld end dimension | according to DIN, SMS, 3A, ISO, BS | Nominal Diameter | 20/32mm-150/250mm |
| Valve Body | 304, or 316L stainless steel | Working Temp | -10~450 deg |
| Nominal Pressure | PN40/16 | Butt Weld Connection Standard | DIN11850, DIN11866, EN10367, ISO1127, ISO2037 |
| Brand Name | TOBO | Model Number | / |
| Certification | ISO | Place of Origin | China |
| High Light | F53 Pressure Safety Relief Valves ，F6NM Safety Relief Valves ，F11 High Pressure Safety Valve | ||
AISI 4130 SAE 4140 F22 F11 F51 F6NM F44 F53 Forged Forging Steel pressure safety relief valves
Safety valves were first used on steam boilers during the industrial revolution. Early boilers without them were prone to accidental Explosion.
Safety valves also evolved to protect equipment such as pressure vessel (fired or not) and heat exchangers. Safety valve term should be limited to compressible fluid application (gas, vapor, steam).
The two general types of protection encountered in industry are thermal protection and flow protection.
For liquid-packed vessels, thermal relief valves are generally characterized by the relatively small size of the safety valve necessary to provide protection from excess pressure caused by thermal expansion. In this case a small valve is adequate because most liquids are nearly incompressible, and so a relatively small amount of fluid discharged through the relief valve will produce a substantial reduction in pressure.
GAA48SB High Temperature and High Pressure Safety Valve Material
| NO | Parts | Cast Steell Material | WC6 Material | WC9 Material |
| 1 | Body | WCB | ZG1Cr5Mo | ZG15Cr1MoV |
| 2 | Seat | 2Cr13 | 1Cr18Ni9Ti | 12Cr1MoVA |
| 3 | Adjusting Ring | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
| 4 | Disc | 2Cr13 | 17-4PH | 17-4PH |
| 5 | Guiding Sleeve | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
| 6 | Heat Radiator | ZG230-450 | ZG230-450 | ZG230-450 |
| 7 | Bonnet | ZG230-450 | ZG230-450 | ZG230-450 |
| 8 | Spring | 50CrVA | 50CrVA | 50CrVA |
GA48SB High Temperature and High Pressure Safety Valve Dimension.
| Model | DN | do | D | K | g | g1 | b | f | f1 | Z-φd | DN | D1 | K1 | g3 | g2 | b1 | f | f1 | Zr-φd1 | L | L1 | ≈H |
| GAA48Y-16C GAA48Y-16I GAA48Y-16V | 40 | 25 | 150 | 110 | 85 | 18 | 3 | 4-18 | 50 | 165 | 125 | 100 | 20 | 3 | 4-18 | 120 | 115 | 540 | ||||
| 50 | 32 | 165 | 125 | 100 | 20 | 3 | 4-18 | 65 | 185 | 145 | 120 | 20 | 3 | 4-18 | 135 | 120 | 618 | |||||
| 65 | 40 | 185 | 145 | 120 | 20 | 3 | 4-18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 160 | 140 | 710 | |||||
| 80 | 50 | 200 | 160 | 135 | 20 | 3 | 8-18 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 | 160 | 150 | 730 | |||||
| 100 | 65 | 220 | 180 | 155 | 20 | 3 | 8-18 | 150 | 285 | 240 | 210 | 24 | 3 | 8-23 | 225 | 175 | 892 | |||||
| 150 | 100 | 285 | 240 | 210 | 24 | 3 | 8-23 | 200 | 340 | 295 | 265 | 26 | 3 | 12-23 | 240 | 235 | 1135 | |||||
| 200 | 125 | 340 | 295 | 165 | 26 | 3 | 12-23 | 250 | 405 | 355 | 320 | 30 | 3 | 12-26 | 290 | 210 | 1135 | |||||
| GAA48Y-40 GAA48Y-40I GAA48Y-40V | 25 | 16 | 115 | 85 | 58 | 65 | 16 | 2 | 4 | 4-14 | 32 | 140 | 100 | 78 | 18 | 2 | 4-18 | 110 | 95 | 429 | ||
| 32 | 20 | 140 | 100 | 66 | 78 | 18 | 2 | 4 | 4-18 | 40 | 150 | 110 | 85 | 18 | 3 | 4-18 | 115 | 100 | 421 | |||
| 40 | 25 | 150 | 110 | 76 | 85 | 18 | 3 | 4 | 4-18 | 50 | 165 | 125 | 100 | 20 | 3 | 4-18 | 120 | 115 | 540 | |||
| 50 | 32 | 165 | 125 | 88 | 100 | 20 | 3 | 4 | 4-18 | 65 | 165 | 145 | 120 | 20 | 3 | 4-18 | 135 | 120 | 618 | |||
| 65 | 40 | 185 | 145 | 110 | 120 | 22 | 3 | 4 | 8-18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 160 | 140 | 710 | |||
| 80 | 50 | 200 | 160 | 121 | 135 | 22 | 3 | 4 | 8-18 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 | 160 | 150 | 730 | |||
| 100 | 65 | 235 | 190 | 150 | 160 | 24 | 3 | 4.5 | 8-23 | 150 | 285 | 240 | 210 | 24<% |
| 6.4 10.0 | 25 | 15 | 32 | 110 | 100 |
| 32 | 20 | 40 | 130 | 110 | |
| 40 | 25 | 50 | 135 | 120 | |
| 50 | 32 | 65 | 160 | 130 | |
| 50 | 32 | 80 | 160 | 145 | |
| 65 | 40 | 80 | 175 | 160 | |
| 80 | 50/40 | 100 | 175 | 160 | |
| 100 | 65/50 | 125 | 220 | 200 | |
| 100 | 50 | 150 | 255 | 225 | |
| 150 | 100/80 | 200 | 280 | 280 | |
| 200 | 100 | 250 | 300 | 300 | |
| 16.0 | 50 | 32 | 80 | 160 | 145 |
| 80 | 40 | 150 | 230 | 210 |
Company Details
Business Type:
Manufacturer,Seller
Year Established:
2014
Total Annual:
3000000-6000000
Employee Number:
50~80
Ecer Certification：
Active Member
We are a manufacturer specializing in the production of valves, we have advanced production technology and inspection equipment, to prevent defective products We can supply Stainless Steel Ball Valve,Stainless Steel Gate Valve,Stainless Steel Globe Valve,Flange Check Valve,Wafer Bu... We are a manufacturer specializing in the production of valves, we have advanced production technology and inspection equipment, to prevent defective products We can supply Stainless Steel Ball Valve,Stainless Steel Gate Valve,Stainless Steel Globe Valve,Flange Check Valve,Wafer Bu...
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