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RDWSP400EZ Dixon Valve 4" 316 Stainless Steel EZ Boss-Lock Coupler for Welding - Socket Weld to Schedule 40 Pipe - 4.530 Bore


EZ Boss-Lock Couplers for Welding - Socket Weld to Schedule 40 Pipe - 316 Stainless Steel On hose assemblies, pressure rating is the lower of either the rating of the coupling or the hose at 70 deg. F

Can I get a discount on my purchase?

Our listed prices are our lowest possible price with current costing but when volumes/value are high enough sometimes we can pass on a discount from the manufacturer.

Some products have predefined quantity discounts that will apply automatically, those pages have a table near the price describing the discount teirs.

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What if my item is out of stock?

All customers get an email regarding the shipping time frame of their purchase, usually within the business day. If your item is in stock we will ship within 1 business day, otherwise, the email will contain a lead time. If you do not receive this email, we recommend checking your email's spam folder. If you have any questions at that point please do not hesitate to Contact Us or chat below!

Can I get free shipping?

Shipping will calculate as free instantly if your order value exceeds $5000.

Some exceptions apply.

Free Freight is only available for the Contiguous USA.

Specifications for Variant SKU: RDWSP400EZ Dixon
Shape (Orientation): Straight
Cam Type: Other
Ends Configuration: 4in Female Cam & Groove X 4in Weld End
Material(s): 316 Stainless Steel
  • Designed for use with liquids.
  • Produced to Commercial Item Description A-A-59326D.
  • Final weld preparation, as with all weld fittings, is the responsibility of the welder.
  • Line drawings are for reference only.
  • Under no circumstances should cam and groove couplings be used for compressed air or steam service!
  • Pressure rating recommendations are based on the use of mating Dixon fittings at ambient temperature 70 deg. with a standard Buna-N seal installed.
Part Number Size Bore PSI Weight (Lbs.)
RDWSP075EZ 3/4" 1.065 250 PSI 0.9150
RDWSP100EZ 1" 1.330 250 PSI 1.1250
RDWSP150EZ 1-1/2" 1.915 250 PSI 1.7400
RDWSP200EZ 2" 2.390 250 PSI 2.3500
RDWSP300EZ 3" 3.530 125 PSI 3.5800
RDWSP400EZ 4" 4.530 100 PSI 5.5350
RDWSP600EZ 6" 6.655 75 PSI 5.6950
Dixon Valve & Coupling

Dixon Valve & Coupling

Dixon, founded in 1916, is a premier manufacturer and supplier of hose couplings, valves, dry disconnects, swivels, and other fluid transfer and control products. Our global reach includes a wide range of products for numerous industries including petroleum exploration, refining, transportation, chemical processing, food and beverage, steel, fire protection, construction, mining, and manufacturing.

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