SKU: 33344981437

Emerson Kunkle 337 Safety Relief Valve (25 Psig / 1.7 Barg or below) - DN80 (3")

Sale price$245.38 Regular price$272.64
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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23

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Description

Emerson Kunkle 337 Safety Relief Valve (25 Psig / 1.7 Barg or below) - DN80 (3")Description This is a stock item. Order by 5pm for same day despatch. Emerson Kunkle 337 safety valves offer essential protection for bulk hauling rigs, blowers, compressors, and conveying systems operating at low to medium pressure. Setting and testing of the valve is included free of charge, along with a pressure test certificate confirming this. Features: Large nozzle design provides high capacity. Flat bronze valve seats are lapped for optimum

Description

This is a stock item. Order by 5pm for same day despatch.

Emerson Kunkle 337 safety valves offer essential protection for bulk hauling rigs, blowers, compressors, and conveying systems operating at low to medium pressure.

Setting and testing of the valve is included free of charge, along with a pressure test certificate confirming this.

Features:

- Large nozzle design provides high capacity.
- Flat bronze valve seats are lapped for optimum performance.
- Warn ring offers easy adjustability for precise opening with minimum pre-open or simmer.
- Pivot between disc and spring corrects misalignment and compensates for spring side thrust.
- Model 337 has 'lift-pin' lift device for easy manual testing.
- Bronze nozzle and disc as standard. Optional SS trim available.
- Each valve tested and inspected for pressure setting and leakage.

Material: Body - Cast Iron / Nozzle - Bronze
Sizes: 2" to 3" (DN50 to DN80)
Connections: NPT Male Inlet x NPT Female Outlet or BSPT Male Inlet x BSPT Female Outlet
Orifice: 2" - 1.916 Sq.ins / 2.1/2" - 2.786 Sq.ins / 3" - 4.037 Sq.ins
Medium: Air
Pressure Range: 0.07 to 4.1 barg (1 to 60 psig)
Temperature Range: -29°C to 208°C (-20°F to 406°F)

Model Variants:

2" - Below 8 Psig - NPT - 0337-H01ANE-50
2" - Above 8 Psig - NPT - 0337-H01ANM-50
2" - Below 8 Psig - BSP - 0337-H60ANE-50
2" - Above 8 Psig - BSP - 0337-H60ANM-50

2.1/2" - Below 8 Psig - NPT - 0337-J01ANE-65
2.1/2" - Above 8 Psig - NPT - 0337-J01ANM-65
2.1/2" - Below 8 Psig - BSP - 0337-J60ANE-65
2.1/2" - Above 8 Psig - BSP - 0337-J60ANM-65

3" - Below 8 Psig - NPT - 0337-K01ANE-80
3" - Above 8 Psig - NPT - 0337-K01ANM-80
3" - Below 8 Psig - BSP - 0337-K60ANE-80
3" - Above 8 Psig - BSP - 0337-K60ANM-80

Datasheets

Emerson Kunkle 337 Safety Relief Valve Datasheet

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 33344981437

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Andrew Closson
Whiting, US
★★★★★ 5
Solid shirt for the price — looks sharp and fits great
Color: Light Grey, Size: 3X-Large
I picked up this COOFANDY long sleeve shirt for work and casual wear, and overall I’m really happy with it. The fit is true to size and it’s not too tight or too loose — just a clean, regular fit that looks good on its own or tucked in. The material feels comfortable and not overly stiff, which is nice since I wear it all day. It has a crisp look but still feels soft enough to wear without feeling like you’re in a dress shirt all day. The stitching and buttons seem strong, and the shirt holds up well after washing without shrinking or losing shape. I also like that it’s easy to iron (or even just hang up right after drying) and it still looks presentable. The collar stays in place and the overall style is simple and classic, so it works for interviews, work, or even going out. For the price, this shirt is a great value. It looks more expensive than it is, and I’d definitely buy another color. If you’re looking for a reliable everyday dress shirt that fits well and looks clean, this is a solid option.
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Reviewed in the United States on January 19, 2026
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Samuel G. Konrad
Birmingham, US
★★★★★ 5
Good valued Polo Shirt
Color: Light Green, Size: X-Large
Absolutely fantastic value. Quality shirt....love the texture however, when ordering, size up. I normally take a large however, the XL was a perfect fit.
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Reviewed in the United States on April 10, 2026
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Dave W
Bozeman, US
★★★★★ 5
Nice shirts! Fit perfectly!
Color: Dark Green, Size: Large
REALLY nice shirts! Bought dark green and black for my 23 year old son before he left for his six month cruise job to East Asia and they look to not wrinkle at all, plus they fit perfectly and look great! He's 5' 10" and about 170 lbs and wears a large. It fits a little loose, but he likes it that way. I would highly recommend these shirts!
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Reviewed in the United States on November 13, 2025
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TBE
Natrona Heights, US
★★★★★ 4
Color is off, but still a nice shirt.
Color: Brown, Size: X-Large, Color: Brown, Size: X-Large
The shirt is great as far as quality. Material is very nice. Hubby wears an XL, and I bought the XL and it fit him perfectly. He is 5'11" and weighs 210lbs. The reason I gave a 4 star, and not a 5 star is because I ordered the brown color. When you look at the brown option on the color option, you will see from my pictures posted that I did not receive a brown shirt. What I received was more like a rust color or a copper color. I kept it because I actually liked it. But Amazon needs to do better with their color descriptions. If you're looking for a genuine brown color, this is not the shirt for you.
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Reviewed in the United States on October 21, 2025
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Meek
Pawtucket, US
★★★★★ 5
Great quality at a great price
Color: Pink, Size: X-Large
Love these shirts. Great design and quality for a reasonable price! What more could you want?
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