BALDR 4" Manual Pressure Sustaining Valve - Flanged - Hydraulic
was
$562.54
Special Price
$332.83
BALDR 4" hydraulically operated pressure sustaining valve with manual pilot control and flanged connections. Sustains a minimum preset upstream (back) pressure by throttling closed when upstream pressure drops below the set point. Opens fully when line pressure exceeds the setting. Protects upstream equipment (pumps, filters) from low-pressure conditions when multiple zones draw simultaneously.
| Size | 4" |
|---|---|
| Connection | Flange |
| Control | Manual Pilot (hydraulic) |
| Function | Pressure Sustaining (upstream) |
| Max Working Pressure | 145 PSI |
Availability:
In stock
SKU
BV40PS
Ships Same Day
All orders placed by 12 PM local warehouse time will ship the same day. Some exclusions apply. Delivery time may increase if item isn't available in closest warehouse.
Delivery time: 2-4 business days
How it Works
The pressure sustaining pilot valve [1] causes the main valve to be slowly closed when the upstream pressure [P1] is lower than the minimum preset pressure, and fully opens when [P1] is in excess of setting. Local manual shut-off of the valve can be performed with the manual Shuttle Valve [2].
Features:
- Line Pressure Driven, Hydraulically Controlled
- Prioritizes pressure zones
- Controls system fill-up
- Opens fully upon line pressure rise
- Engineered Plastic Valve with Industrial Grade Design
- Highly durable, chemical and cavitation resistant
- No internal bolts and nuts
- Simple in-line inspection and service
- Unitized Flexible Super Travel (FST) Diaphragm and Guided Plug
- Accurate and stable regulation with smooth closing
- Requires low opening and actuation pressure
- Prevents diaphragm erosion and distortion
- High Flow "Y" Valve Body with "Look Through" Design
- Ultra-high flow capacity and low pressure loss
Material:
- Body, Cover and Plug: Glass-Filled Nylon
- Diaphragm: NR
- Seals: NR
- Spring: Stainless Steel
- Cover Bolts: Stainless Steel
- Control Accessories: Nylon
- Tubing and Fittings: PE
Head Loss
Dimensions - Inches
| L | W | H |
|---|---|---|
| 12.6 | 11 | 12.6 |