Pipe Fittings & Flanges
Lap Joint Stub Ends (MSS SP-43 / ASME B16.9)
Long and short pattern lap joint stub ends to MSS SP-43 and ASME B16.9, used with lap joint flanges: the lapped end forms the sealing face while the flange rotates freely for easy bolt alignment and dismantling - allowing cost-efficient combinations such as carbon steel flange with stainless stub en
Specifications
- Types
- Type A (lap joint flange), Type B (slip-on flange)
- Pattern
- Long and short (short weighs about 55-70 percent of long)
- Size Range
- DN15-DN600
- Standards
- MSS SP-43, ASME B16.9
Product Overview
Long and short pattern lap joint stub ends to MSS SP-43 and ASME B16.9, used with lap joint flanges: the lapped end forms the sealing face while the flange rotates freely for easy bolt alignment and dismantling - allowing cost-efficient combinations such as carbon steel flange with stainless stub end. Standard raw material grades ASTM A403 TP304/304L, 316/316L; duplex 2205, super duplex 2507, nickel alloys and 316Ti available on request - customised fittings in special materials are our specialty (see our Customized Fittings Experts page).
Specifications and Standards
Type A (with lap joint flange) and Type B (with slip-on flange); long and short pattern (short weighs about 55-70 percent of long); DN15-DN600; standards MSS SP-43, ASME B16.9.
Applications
Corrosion-sensitive lines where the backing flange need not be alloy; systems requiring frequent dismantling for cleaning or inspection.
Request a Quote
Send size, schedule or class, material grade and quantity to melinda@spai-steel.com - we reply with a confirmed supply proposal and lead time.