Stainless Steel Butterfly Valve 1. steel or aluminum 2. aluminum: utilize O-ring sealing 3. steel:mechanical structure sea

Stainless Steel Butterfly Valve

Main Feature

nThe raw material of BD series butterfly valve is steel or alumininum. Aluminum butterfly valve sealing method utilizes O-ring and steel butterfly valve utilizes the mechanical sealing structure.

nThe locking cover of the series butterfly valve has three structural types shown in the pictures above.

Main Performance

nEnvironment temperaure of operating: -30°C~40°C

nOperating temperature: -30°C~120°C

nSealing function:     0.5Mpa, 30s

                                  Soft steal, no leakage.

                                  Hard steal, within the required leakage volume

Note

nOther specifications butterfly values can be provided in accordance with the requirement of customer

nWe can provide the butterfly valve of the valve body by using the specified material of customer.

nThe butterfly valves produced by our company have the corresponding installation screws.

nWe will provide the cover plate (closed plate) with the butterfly valve if customer requires in order.

Basic Specification

Nominal pressure (Kpa)	Inside nominal diameter (mm)	Diameter of central circle of connection scew hole (mm)	Diameter of connecion screw (mm)
150	50	110	M12
150	80	150	M20
		160	M16
250	100	180	M16
250	125	210	M16
250	150	240	M20
250	200	295	M20
250	250	350	M20

External Installation Demensions

Nominal Size(mm)	D1(mm)	D2(mm)	D3(mm)	D4(mm)	ΦA(mm)	A×A(mm)	Material(mm)	Thickness(mm)	fig.
Φ50	50	68	88	1104-M12		110×110	Steel	32.5	fig.1
Φ80	80	96	116	1504-M20		150×150	Steel	35	fig.1
Φ80	80	96	116	1604-M16		160×160	Steel	35	fig.1
Φ80	80	96	116	1504-M20	190		Steel	35	fig.1
Φ100	100	125	145	1808-M16	220		Steel	40	fig.2
Φ125	125	149	169	2108-M16	250		Steel	40	fig.2
Φ150	150	177	201	3408-M20	280		Steel	46	fig.2
Φ200	200	218	250	3958-M20	340		Steel	46	fig.2
Φ250	250	268	300	3508-M20	390		Steel	46	fig.2

Structure Drawing

Stainless Steel Butterfly Valve, BD series, D50~D250