SKU: 59789978497

Emerson Kunkle 337 Safety Relief Valve (8 Psig / 0.55 Barg or above) - DN50 (2")

Sale price$112.89 Regular price$125.43
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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29

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Description

Emerson Kunkle 337 Safety Relief Valve (8 Psig / 0.55 Barg or above) - DN50 (2")Description This is a stock item. Order by 5pm for same day despatch. Protect trailers, conveying systems, and compressor setups with the Emerson Kunkle 337 engineered for low to medium pressure and high volume output. 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

Description

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

Protect trailers, conveying systems, and compressor setups with the Emerson Kunkle 337 — engineered for low to medium pressure and high volume output.

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: 59789978497

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New York, US
★★★★★ 5
No chemicals that will be harmful!
Set name: Tube - 5 oz. 2-Pack
Ordered this mineral sunscreen looking for something simple and effective, and it’s been a solid option so far. The zinc oxide formula is the main reason I went with it. It doesn’t rely on the same chemical ingredients found in a lot of other sunscreens, which is a big plus if you’re trying to avoid that. It feels like a cleaner option overall. Coverage is good. It spreads evenly and holds up well, even with some water exposure. I’ve used it outdoors for extended periods, and it does its job without needing constant reapplication. It does leave a slight white cast at first, which is pretty typical with mineral sunscreens, but it fades in as you rub it in. Not completely invisible, but manageable. After a few uses, what stood out most is that it doesn’t have a strong smell and doesn’t irritate the skin. It just works without a lot of extras. Compared to standard chemical sunscreens, this feels more straightforward and less harsh, especially for regular use. For the price, it’s a great value. You’re getting strong sun protection without the added ingredients some people try to avoid. If you’re looking for a mineral-based sunscreen that’s effective and a bit cleaner in formulation, this is a solid choice.
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Reviewed in the United States on April 19, 2026
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AZ since '03
Fort Morgan, US
★★★★★ 5
Great mineral sunscreen that actually works
Set name: Tube - 5 oz.
Blue Lizard Sensitive Mineral SPF 50 has become my daily go-to. It goes on smooth, doesn’t leave a weird white cast like some mineral sunscreens, and gives solid protection. I like that it’s 100% mineral with no harsh chemicals and has organic aloe vera in it, so my skin feels hydrated instead of dried out. No greasy feeling, no strong scent, and it holds up well even when I sweat a bit. Been using it for a few weeks now and it performs exactly how I want. Small bottle but a little goes a long way. Definitely recommend if you want a simple, effective mineral option.
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Reviewed in the United States on May 9, 2026
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HyeYoung Cho
Carnegie, US
★★★★★ 5
Gentle, hydrating with a slight white cast
Set name: Tube - 5 oz.
Really solid mineral sunscreen. Goes on smooth, not too thick, and feels lightweight but still hydrating. It does leave a slight white cast, which I actually like since it feels like better protection. The formula feels gentle and doesn’t irritate my skin. Great for daily use, and the UV color-changing cap is a nice bonus. Would repurchase.
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Reviewed in the United States on April 10, 2026
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Mlnkjns
Houston, US
★★★★★ 4
Great sunblock.
Set name: Stick - 0.5 oz.
Love this stuff. It’s the only sunscreen that doesn’t sting my eyes. It works really well. It goes a long way. Lil dab will do ya. Maybe I use too much each application. I live in Florida and put it on my arms and face everyday. It does leave white smudges, smears and handprints on things.
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Reviewed in the United States on May 10, 2026
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Deanna Yanda
Fort Morgan, US
★★★★★ 5
Fabulous product! Made my skin feel soft!
Set name: Tube - 5 oz.
This product goes on smooth and a little goes a long way. I used it today for the first time and was very pleased that it held up to my sweating in the heat doing farm work! It doesn’t bother my very sensitive skin, in fact it is quite soothing. A little goes a long way. With about a quarter size amount I was able to do both arms and my face. I was outside for several hours and didn’t burn like I usually do. It is basically unscented which is nice and isn’t sticky.
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Reviewed in the United States on May 28, 2026

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