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Hydraulic Pressure/Vacuum Relief Valves - H1 / HM1 Series
*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.
H1 - HM1 Series Pressure/Vacuum Relief Valves are used to maintain positive pressure in hydraulic reservoirs. The compact size, reusable bronze filter and high flow characteristics make this valve a popular choice. The HM1 version offers the same features and characteristics as the H1 Series with the option of a manual over ride function. This feature allows the operator to relieve the reservoir pressure before opening the tank for refilling, inspection or servicing. The H1 - HM1 Series are available in a wide range of pressure relief settings from 5 psi to 50 psi (in 5 psi increments) and a vacuum relief setting of 0.3 psi.
Technical Characteristics:
• Pressure Relief Setting Options (psi): 5, 10, 15, 20, 25, 30, 35, 40, 45, 50
• Vacuum Relief Setting (psi): 0.3
• Filter: 10 micron, nominal
• Filter Type: Bronze - reusable
• Thread Sizes: 3/8"", 1/2"", 3/4"", 1""
• Port Ends: Male pipe thread, Male O-ring Boss - SAE threads
• HM1 version: Manual pressure relief button
Markets:
• General Hydraulics
• Industrial
• Construction
• Agriculture
Features/Benefits:
• Combines the functionality of two valves and a filter in one unit
• Bronze filter can be easily removed to be cleaned and reused
• Compact size
• High flow
• Wide variety of pressure relief settings
• HM1 has a manual pressure relief button
Applications:
• Hydraulic tanks and reservoirs
Read More...Technical Characteristics:
• Pressure Relief Setting Options (psi): 5, 10, 15, 20, 25, 30, 35, 40, 45, 50
• Vacuum Relief Setting (psi): 0.3
• Filter: 10 micron, nominal
• Filter Type: Bronze - reusable
• Thread Sizes: 3/8"", 1/2"", 3/4"", 1""
• Port Ends: Male pipe thread, Male O-ring Boss - SAE threads
• HM1 version: Manual pressure relief button
Markets:
• General Hydraulics
• Industrial
• Construction
• Agriculture
Features/Benefits:
• Combines the functionality of two valves and a filter in one unit
• Bronze filter can be easily removed to be cleaned and reused
• Compact size
• High flow
• Wide variety of pressure relief settings
• HM1 has a manual pressure relief button
Applications:
• Hydraulic tanks and reservoirs
| Action | SKU | Availability | Price | Maximum Flow Rate | Maximum Operating Temperature | Minimum Operating Temperature | Body Material | Actuation Type | Division | Maximum Operating Pressure | For Fluid Type | Seal Material | Filter Type | Pressure Control Range | Vacuum Relief Pressure | Special Options | Connection Thread Size (inch) | Thread Type | Cracking Pressure (psi) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| H1-02-12MP | Backordered | POR | n/a | 250 °F | -40 °F | Steel | Mechanical | Quick Coupling Division | 60 psi | Hydraulic | Elastomeric | Bronze, 10 micron | 2 psi | 0.3 psi | na | 3/4 - 14 | Male NPTF | 2 | |
| H1-05-12MP | Backordered | $198.77 | n/a | 250 °F | -40 °F | Steel | Mechanical | Quick Coupling Division | 60 psi | Hydraulic | Elastomeric | Bronze, 10 micron | 5 psi | 0.3 psi | na | 3/4 - 14 | Male NPTF | 5 | |
| H1-05-16MP | 4 in stock | POR | n/a | 250 °F | -40 °F | Steel | Mechanical | Quick Coupling Division | 60 psi | Hydraulic | Elastomeric | Bronze, 10 micron | 5 psi | 0.3 psi | na | 1 - 11 1/2 | Male NPTF | 5 | |
| H1-05-6MP | Backordered | POR | n/a | 250 °F | -40 °F | Steel | Mechanical | Quick Coupling Division | 60 psi | Hydraulic | Elastomeric | Bronze, 10 micron | 5 psi | 0.3 psi | na | 3/8 - 18 | Male NPTF | 5 | |
| H1-20-12MP | Backordered | POR | n/a | 250 °F | -40 °F | Steel | Mechanical | Quick Coupling Division | 60 psi | Hydraulic | Elastomeric | Bronze, 10 micron | 20 psi | 0.3 psi | na | 3/4 - 14 | Male NPTF | 20 | |
| HM1-05-12MP | Backordered | POR | n/a | 250 °F | -40 °F | Steel | Mechanical | Quick Coupling Division | 60 psi | Hydraulic | Elastomeric | Bronze, 10 micron | 5 psi | 0.3 psi | Manual pressure relief button | 3/4 - 14 | Male NPTF | 5 | |
| HM1-10-12MP | 133 in stock | POR | n/a | 250 °F | -40 °F | Steel | Mechanical | Quick Coupling Division | 60 psi | Hydraulic | Elastomeric | Bronze, 10 micron | 10 psi | 0.3 psi | Manual pressure relief button | 3/4 - 14 | Male NPTF | 10 | |
| HM1-10-6MP | Backordered | POR | n/a | 250 °F | -40 °F | Steel | Mechanical | Quick Coupling Division | 60 psi | Hydraulic | Elastomeric | Bronze, 10 micron | 10 psi | 0.3 psi | Manual pressure relief button | 3/8 - 18 | Male NPTF | 10 | |
| HM1-15-12MP | Backordered | POR | n/a | 250 °F | -40 °F | Steel | Mechanical | Quick Coupling Division | 60 psi | Hydraulic | Elastomeric | Bronze, 10 micron | 15 psi | 0.3 psi | Manual pressure relief button | 3/4 - 14 | Male NPTF | 15 |
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