What are the design features that ensure proper sealing under vacuum conditions

3/8" x 1/2" Check Valve - Compatible with Riser Mount Compressors: OL Advance Series, OL Plus Series, OLR Plus Series, Quiet Series. Block Oil Flow from the Accumulator. Some systems have a hydraulic accumulator installed downstream of the pump and check valve. When the system is turned off, ... Viega MegaPress 316 check valve. Model: 5174 | Part # 29050. Smart Connect Technology. Components: EPDM sealing elements. Spring Kits; 304 Stainless Steel Nuts & Bolts; Drain Plug/Flush port; Braided Teflon Hinge Pin Packing. Resources: Check Valve Selection Chart ( ... Double Check Valve Assemblies. Designed for use in non-health hazard cross-connections and continuous pressure applications subject to ... Applications. Spring check valves are designed to prevent reverse flow. The concentric design makes them ideal for vertical applications. Available Options. Blow-off Check valve 1/8 " NPSF female. Our suction cup valves are a group of products that serve to save energy in various applications at the suction cup. FIG № H-1370 · Adds a Check Valve to Any Pump · Installs Between the Pump and Isolator · Operates in a Horizontal or Vertical Position · Features One of the ... Product Overview: Size: 2" to 24". Pressure rating: Class 150. Material: Carbon Steel. Please refer to Datasheet for full technical information. Description. A 1-way check valve permits flow in 1 direction only. Radium Engineering check valves feature a lightweight anodized aluminum body with FKM seals ...