What is SMS pipe connection?

Swedish Manufacturing Standard Fittings (SMS) are a hygenic fitting that has a captive seal design. This provides a smooth, crevice free internal bore. They are made up from a round slotted nut, weld liner, male part and EPDM seal.

How do you tighten PVC unions?

Here are some of the Do’s and Don’ts of PVC joint assembly: Don’t over-tighten joints by giving them “one more turn to be sure.”Do finger tighten plus one or two turns – No More. Don’t wrap Teflon tape or Teflon paste or pipe dope to add bulk to or to lubricate the joint. Do use a sealant for threaded joints.

What is the difference between a coupling and a union?

A coupling is a solid fitting with female threads on the inside of both ends. It is used for joining two lengths of pipe together that are not locked in place and can be turned. A union is used when you are trying to join two pipes together that are fixed, thus unable to be turned.

What is the meaning of SMS Union?

SMS UNIONS. SMS union is the Swedish standard hygienic fitting. It can be recognized by the round slotted nut and square section joint ring.

What is a DIN fitting?

DIN stands for “Deutsches Institut für Normung”, which means “German institute for Standardization”. DIN 2353 tube fittings are most commonly used in industrial, oil & gas and construction equipment in hydraulic and pneumatic applications. This ensures the interchangeability with leading brands of fittings.

Which direction does a PVC union go?

PVC Unions are non-directional in terms of flow, and position is usually determined to allow for easy access and disassembly. Before assembly, remove the O Ring and lube generously with teflon lube so the O ring is coated in lube on all sides.

How much does it cost to tighten PVC union?

The proper way to assemble threaded PVC Sch 40 or Sch 80 fittings is to finger tighten, then add one to two turns, but no more. Two turns past finger tight, plus the stress of system pressure will ensure it is within the tensile strength of PVC.

How tight should PVC Union be?

The right way to assemble a threaded PVC joint-Schedule 40 or 80 is finger tight plus one to two turns-no more. Two turns past finger tight plus the stress of the system pressure is within the tensile strength of one-inch PVC. Don’t use Teflon tape, Teflon paste or pipe dope.

What kind of fitting is an SMS Union?

SMS union is the Swedish standard hygienic fitting. It can be recognized by the round slotted nut and square section joint ring.

What’s the difference between Din and SMS Union?

A very similar union to DIN. It also consists of a round slotted nut in 304 stainless, Weld liner and weld male in 316, and a “L” style EPDM joint ring. The standard ‘L’ style joint ring is EPDM, but other compounds are available on request. Blank liners in 316 are also stocked. C-Spanners to suit both SMS & DIN (1″ – 4″) is also stocked.

What are the dimensions of SMS sanitary fittings?

SPECIFICATIONS…. • All Dimensions are according to SMS standard. •Wall Thickness: Fittings OD25mm-OD51mm sizes are manufactured with 1.25 mm wall thickness. The OD63.5 fittings size is manufactured with 1.5mm wall thickness. The OD76.1 fittings size is manufactured with 1.6mm wall thickness.

What kind of nut is in a SMS Union?

SMS Union. A very similar union to DIN. It also consists of a round slotted nut in 304 stainless, Weld liner and weld male in 316, and a “L” style EPDM joint ring. Sizes 1″ OD – 4″ OD available ex-stock. The standard ‘L’ style joint ring is EPDM, but other compounds are available on request.

SMS union is the Swedish standard hygienic fitting. It can be recognized by the round slotted nut and square section joint ring.

What is union pipe fitting?

Pipe Union. Pipe Union is a type of fitting equipment designed in such a way to unite two pipes which can be detached without causing any deformation to the pipes. Any kind of small diameter piping connections requiring a positive seal and easy assembly as well as disassembly are made with the help of pipe union.