Marine Short Flange Butterfly Valve

The Marine Short Flange Butterfly Valve is designed for marine applications, offering compact and efficient flow control. It features a short flange for easy installation in tight spaces. Constructed from durable materials to withstand harsh marine environments, it ensures reliability and longevity. The valve provides smooth operation with minimal maintenance, making it ideal for use in seawater, freshwater, and ballast systems. Its lightweight design and robust sealing mechanism enhance performance while minimizing space and weight constraints on marine vessels.

 

1.Drawing

2.Material of main parts

Parts Name	Material
Body	Ductile iron,Cast steel,Stainless Steel,Two-way steel,C954 Bronze C954
Plate	SUS304,SUS316,SUS2205,SUS 2507,SUS1.4529 C954
Shaft	45#416 SS304 SS316
Seat	NBR, EPDM,VITON,PTFE
Operate	Manual,Worm gear,Pneumatic,Electric-Motorized

 

3.Valve design

Technical specification
Valve design	API609
Face to Face	JIS B2002
Pressure test	JIS B2003
Flange Drilling	JIS B2212 JIS B2213 JIS B2214

 

4.Main external and connecting dimensions(mm)

Nominal pressure (MPa)	Nominal diameter (mm)	Structure&Flange Dimension									Hole of Nut
		ISO(GB2501-89)			JIS			iSO(GB569-65)			ISO		JIS		GB
		L	D	D1	L	D	D1	L	D	D1	n-d	n-Th.	n-d	n-Th.	1d	n-Th.
1.0	50	43	165	125	43	155	120	43	135	103	4-18	4-M16	4-19	4-M16	6-16	6-M14
	65	45	185	145	45	175	140	45	155	123	4-18	4-M16	4-19	4-M16	6-16	6-M14
	80	60	200	160	60	185	150	60	170	138	8-18	4-M16	8-19	8-M16	8-16	8-M14
	100	60	220	180	60	210	175	60	190	158	8-18	4-M16	8-23	8-M20	8-16	8-M14
	125	100	250	210	100	250	210	100	215	183	8-18	4-M16	8-23	8-M16	10-16	10-M14
	150	100	285	240	100	280	240	100	240	208	8-22	4-M20	8-23	8-M20	12-16	12-M14
	200	100	340	295	100	330	290	100	310	273	8-22	4-M20	12-23	1-M20	12-19	12-M16
	250	110	395	350	110	400	355	110	380	336	12-22	4-M20	12-25	12-M22	14-23	14-M20
	300	110	445	400	110	445	400	110	435	391	12-22	4-M20	16-25	16-M22	16-23	16-M20
	350	120	505	460	120	490	445	120	485	441	16-22	4-M20	16-25	12-M22	18-23	18-M20
	400	130	565	515	130	560	490	130	545	496	16-26	4-M24	16-27	16-M24	18-27	18-M24
	450	150	615	565	150	620	560	150	600	551	20-28	4-M24	20-27	20-M24	20-27	20-M24
	500	160	670	620	160	675	620	160	650	601	20-28	4-M24	20-27	20-M24	20-27	20-M24
	600	170	730	675	170	745	680	170	-	-	20-31	4-M27	24-33	24-M30	-	-

 

Q: What materials are used in the construction of the Marine Short Flange Butterfly Valve?

A: The valve is typically constructed from high-quality materials such as stainless steel, ductile iron, and corrosion-resistant coatings to ensure durability and longevity in marine environments.

Q: Can the Marine Short Flange Butterfly Valve be used for both seawater and freshwater systems?

A: Yes, the valve is designed to handle both seawater and freshwater applications, making it versatile for various marine system requirements.

Q: How do I install the Marine Short Flange Butterfly Valve in tight spaces?

A: The compact, short flange design allows for easy installation in confined areas. Detailed installation instructions are provided to ensure proper fitting and secure connections.

Q: What maintenance is required for the Marine Short Flange Butterfly Valve?

A: The valve is designed for low maintenance, requiring periodic inspections and lubrication of moving parts. Detailed maintenance guidelines are provided to help extend the valve's service life.

Q: Is the Marine Short Flange Butterfly Valve compatible with existing marine piping systems?

A: Yes, the valve is designed to be compatible with standard marine piping systems, ensuring easy integration without the need for extensive modifications.

 

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