BSPT Taper Male Reducing Hose Barb Adaptor (Step Hosetail) in 316 Stainless Steel

BSPT Taper Male Reducing Hose Barb Adaptor (Step Hosetail) in 316 Stainless Steel designed with BSPT Taper Male Thread (R, ISO 7-1) × Step-Size Serrated Hose Barb connections for industrial stainless steel threaded piping. Constructed as a one-piece investment-cast reducing adaptor with hex wrench collar and stepped hose shank in 316 (CF8M / 1.4408) Investment Cast Stainless Steel. Available across nominal sizes 26 Hose ID × Thread combinations.

Thread & Hose Interface	BSPT Taper Male Thread (R, ISO 7-1) × Step-Size Serrated Hose Barb
Material Grade	316 (CF8M / 1.4408) Investment Cast Stainless Steel
Size Combinations	26 Hose ID × Thread combinations
Body structure	One-piece investment-cast reducing adaptor with hex wrench collar and stepped hose shank
Component form	Straight reducing male-thread-to-hose-barb adaptor

Size

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Connection Geometry & 316 Stainless Steel Construction

This BSPT taper male reducing hose barb adaptor (step hosetail) in 316 stainless steel features one-piece investment-cast reducing adaptor with hex wrench collar and stepped hose shank in a straight reducing male-thread-to-hose-barb adaptor profile, providing BSPT Taper Male Thread (R, ISO 7-1) × Step-Size Serrated Hose Barb connections for modular stainless steel piping, equipment hookups, and manifold assemblies. Manufactured in 316 (CF8M / 1.4408) Investment Cast Stainless Steel, the fitting offers molybdenum-bearing austenitic corrosion resistance suited for process water, chemical transfer, utility air, and washdown environments.

Size Coverage & Thread Assembly

The series covers nominal sizes across 26 Hose ID × Thread combinations. Refer to the dimensional schedule on this product page to match each thread size against its corresponding envelope length, outside diameter or across-flats width, and unit weight. Before installing this BSPT taper male reducing hose barb adaptor (step hosetail) in 316 stainless steel, verify that your mating ports match the BSPT Taper Male Thread (R, ISO 7-1) × Step-Size Serrated Hose Barb interface and select an appropriate thread sealant or gasket for the joint. Specify the required nominal size from 26 Hose ID × Thread combinations and confirm installation clearance when ordering.

Specifications

Manufacturing & Standards Reference: Investment cast, generally manufactured to ISO 4144 or above.

Dimensions · CH-F021

Applies only to the listed references; other material or end forms are outside this scope.

Units: SIZE: nominal pipe size; KG EACH: kg per piece. Length units appear beside applicable values.

Nominal size	Chelsey reference	Nominal size	C	A	B	D	Unit weight (kg)
1/8 x 1/4	CH-F021-001	1/4	3.5	13.9	35	20	0.02
3/16 x 1/4	CH-F021-002	1/4	5	13.9	42	25	0.03
1/4 x 1/8	CH-F021-003	1/8	6.3	12	48	30	0.03
1/4 x 3/8	CH-F021-004	3/8	6.3	19	50	30	0.03
1/4 x 1/2	CH-F021-005	1/2	6.3	23	52	30	0.05
5/16 x 1/8	CH-F021-006	1/8	8	12	34	18	0.05
3/8 x 1/4	CH-F021-007	1/4	9.53	15	48	30	0.04
3/8 x 1/2	CH-F021-008	1/2	9.53	23	55	30	0.05
1/2 x 1/4	CH-F021-009	1/4	12.7	15	57	40	0.06
1/2 x 3/8	CH-F021-010	3/8	12.7	19	60	40	0.07
1/2 x 3/4	CH-F021-011	3/4	12.7	29	67	40	0.09
1/2 x 1	CH-F021-012	1	12.7	35	72	40	0.10
5/8 x 3/4	CH-F021-013	3/4	16	29	67	40	0.11
3/4 x 3/8	CH-F021-014	3/8	19.05	23	65	40	0.12
3/4 x 1/2	CH-F021-015	1/2	19.05	23	65	40	0.15
3/4 x 1	CH-F021-016	1	19.05	35	72	40	0.15
1 x 1/2	CH-F021-017	1/2	25.4	23	72	50	0.12
1 x 3/4	CH-F021-018	3/4	25.4	29	76	50	0.17
1 x 1-1/4	CH-F021-019	1-1/4	25.4	45	81	50	0.18
1 x 1-1/2	CH-F021-020	1-1/2	25.4	62	84	50	0.20
1-1/4 x 1	CH-F021-021	1	31.8	35	78	50	0.17
1-1/4 x 1-1/2	CH-F021-022	1-1/2	31.8	62	83	50	0.22
1-1/2 x 1	CH-F021-023	1	38.1	41	87	60	0.26
1-1/2 x 1-1/4	CH-F021-024	1-1/4	38.1	45	90	60	0.28
1-1/2 x 2	CH-F021-025	2	38.1	72	93	60	0.34
2 x 1-1/2	CH-F021-026	1-1/2	50.8	62	97	60	0.55