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PRODUCTS
BLR Series Diaphram Hand Valve
General Description：
BLR type hand valve is a manual shut-off valve designed for installation in the liquid ,suction and hot gas lines of refrigeration plant. It doesn't have gland seal. The external sealing is ensured by some thin metal discs(diaphragms),which hermetically divide the spindle chamber from the fluid flow area.
Features ：
◆Applicable to all fluoride refrigerants
◆Fitted with three stainless steel diaphragms that prevent leakage throughout the operating life of the valve.
◆Valve plate of polyamide nylon to give complete shut with minimum torque.
◆Valve cover with special designed to prevent ingress of moisture
Technical Data ：
| Model | Connection | Dimensions（mm） | Weight(g) | Temperature Range(℃) | Max Working Pressure（Bar） | KV Factor KV（m³/h） | |||||
| H1 | H2 | L1 | d | I | D | ||||||
| BLR-6210/2 | 1/4" SAE | 68 | 53.5 | 58 | 4.5 | 36 | 52 | 200 | -30 to +90 | 28 | 0.28 |
| BLR-6210/3 | 3/8" SAE | 72 | 74 | 38 | 325 | 1.00 | |||||
| BLR-6210/4 | 1/2" SAE | 78 | 335 | 1.30 | |||||||
| BLR-6210/5 | 5/8" SAE | 340 | 1.80 | ||||||||
| BLR-6210/6 | 3/4" SAE | 86 | 62.5 | 98 | 6.2 | 50 | 60 | 655 | 3.65 | ||
| BLR-6220/2 | 1/4" ODF | 68 | 53.5 | 53 | 4.5 | 35 | 52 | 195 | 0.28 | ||
| BLR-6220/3 | 3/8" ODF | 72 | 61 | 38 | 300 | 1.00 | |||||
| BLR-6220/4 | 1/2" ODF | 70 | 305 | 1.30 | |||||||
| BLR-6220/5 | 5/8" ODF | 71 | 1.80 | ||||||||
| BLR-6220/6 | 3/4" ODF | 86 | 62.5 | 92 | 6.2 | 50 | 60 | 580 | 3.65 | ||
| BLR-6220/7 | 7/8" ODF | 94 | 645 | 3.65 | |||||||
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