V707 Spring Loaded Back Pressure Control Valve
Delivering Greater Reliability in Pipeline Applications
The Daniel® V707 Spring Loaded Back Pressure Valve offers an innovative way to maintain back pressure and provides an integrated check functionality combining two valves in one, requiring no pilots or external actuation. The V707 is an addition to the Daniel 700 Series Control Valve family of products, applying the well-known and trusted Daniel Control Valves technology to maintain back pressure.
Coming Soon:
Flange Connections | Valve size: 2″ to 4″ Maximum working pressure at 100º F
Temperature Range: -20º F to 150º F (-29º C to 66º C) |
Materials of Construction | Valve body: Carbon steel ASTM-A352-GR-LCC Cylinder: 17-4 stainless steel Piston: 304 stainless steel Seat Ring: 303 stainless steel Elastomers: Viton Spring: Chromium silicone (877 Grade A) (877 Grade A) springs Tubing and fittings: 316 stainless steel* *Pressure sensing line needed to perform check valve functionality. Not a pilot line |
Spring Ranges | Field adjustable, valve differential pressure range
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Selection Requirements | 1. Line Size 2. Pressure 3. Temperature 4. Set Point Pressure* 5. Flange Connections *Note: Set point is used to determine spring range. Customer will need to adjust set point in the field. |
- No power required
- No diaphragms or stuffing boxes
- Modular construction: all internal parts, including seat ring, can be removed with the cylinder assembly without disturbing line connections
*Line must be drained and valve must be isolated for service. - 45º body design assures high capacity Positive shut-off, ANSI Leakage Class VI (ANSI B16.105 – 1976)
- Inherently check valve functionality Metal-to-metal seat with protected o-ring
- Full working pressure (ANSI 150, 300 and 600)
- Pilotless
- Tamper-proof set point locking capable
Downloadable PDF
Line Size | DN50 to DN200 (2-in to 8-in) |
Fluid Type | Liquid |
Operating Temperature Range | -29º C to +66º C (-20º F to +150º F) |
Operating Pressure Range | ANSI 150 to 300 |
Materials: Valve Body | Carbon Steel, ASTM A352 GR LCC |
Materials: Valve Cylinder | DN50 to DN 200 (2-in to 4-in): Stainless Steel, ANSI 150 to 600; DN250 to DN 300 (6-in to 8-in) Carbon Steel, Nickel Coated, ANSI 150 to 600 |
Materials: Valve Piston | Standard: Stainless Steel |
Materials: Seat Ring | DN50 to DN200 (2-in to 6-in) Stainless Steel; DN300 (8-in) Carbon Steel, Nickel Coated |
Materials: O-Rings | Standard: Viton; Optional: Neoprene, EPR, Kalrez / Teflon AP (Aggressive Products) |