Product Description
The Kunkle Relief 337 is a pressure relief valve that can be purchased preset per your requirements up to a maximum pressure of 60 psig and a minimum pressure of 1 psig.
Kunkle Relief Valve Features:
- Large nozzle design provides high capacity.
- Flat bronze valve series are lapped for optimum performance.
- Warn ring offers easy adjustability for precise opening with minimum pre-open simmer and exact blower down control.
- Pivot Between disc and spring corrects misalignment and compensates for spring side thrust.
- A lift handle is provided for easy manual testing.
- Protects low to medium pressure blowers and compressors. It is well suited for positive displacement blowers.
Kunkle Relief Valve Connections:
- 3″ MPT (Male Pipe Thread) fitting for mounting on system
- 3″ FPT (Female Pipe Thread) fitting to allow for piping away the relief flow
Materials of Construction:
- Nozzle – Bronze, SB62
- Set Screw A108-1018 Brass Plated
- Regulator Ring – Bronze B584-C84400
- Disc – Bronze B584-C84400
- Spring Step – Steel A109 Coated
- Spring – SS A313-302
- Body – Cast Iron A-126, Class A or B
- Compression Screw – Bronze B584-C84400
- Stem – Brass B16
- Regulator Ring Set Screw – Brass B16
Weight: 20 lb (9.1 kg)
The 337 Kunkle Relief Valve will not have a code stamp or ‘NB’ on nameplate below 15 psig setting.
Capcities based on Air (SCFM)
The table below shows flow values in scfm at set points from 1 to 15 psig
Set Pressure psig |
Volume (SCFM) |
1
|
527
|
1.5
|
607
|
2
|
687
|
2.5
|
767
|
3
|
847
|
3.5
|
926
|
4
|
1006
|
4.5
|
1086
|
5
|
1166
|
5.5
|
1212
|
6
|
1258
|
6.5
|
1305
|
7
|
1351
|
7.5
|
1397
|
8
|
1443
|
8.5
|
1489
|
9
|
1536
|
9.5
|
1582
|
10
|
1628
|
10.5
|
1673
|
11
|
1719
|
11.5
|
1764
|
12
|
1809
|
12.5
|
1855
|
13
|
1900
|
13.5
|
1945
|
14
|
1990
|
14.5
|
2036
|
15
|
2081
|
Part Number Guide
Kunkle Pressure Relief Valve 337 – 3″
$710.23
Kunkle 3″ 337
Preset per your requirements
Max Pressure: 60 psig
Min Pressure: 1 psig
Shipping Weight: | 20 lbs |
---|---|
Shipping Dimensions: | 7.75 × 6.5 × 9.5 in |
Manufacturer: | Kunkle |