Products

DESCRIPTION

Basic Info.

Model NO.	BBH41F
Type	Floating Ball Valve
Function	Blow-Down Valve
Temperature	Normal Temperature
Application	Industrial Usage, Water Industrial Usage, Household Usage
Inspect & Test	API 598
Ends Connection	Flange RF or Rtj
Certificate 2	ISO 9001: 2008
Certificate 1	Dnv Ce 0575
Pre-Temp. Rating	ASME B16.34
Face to Face	ASME B16.10
Design & Manufacture	API 6D, ASME B16.34 & BS5351
Characteristic	Pump Protection
Transport Package	Sea Worthy
Specification	API, ANSI, ASME, DIN, JIS etc.
Trademark	VATAC
Origin	China
HS Code	84818010
Production Capacity	6000ton Per Year

Product Description

Vatac Automatic Recirculation Valve is a kind of pump protection device. It automatic protect centrifugal pump when pump body occur cavitations damage or unstable (especially conveying hot water at low load operation medium). Once pump flow is lower than the preseted flow, bypass can completely open to ensure the minimum required flow pump. Even running fully closed, namely running flow is zero, the minimum flow can also pass bypass for Automatic Recycle. Pressure reduced through the multistage bypass pressure reducing valve.

Vatac Pump Protection Valve is suitable for bypass with high pressure differential, maximum pressure differential is 30MPa, and specific choice is determined by factory. Multistage decompression type M type bypass can eliminate noise made by high-speed flow medium; prevent damage of cavitations erosion and braising to valve components.
Vatac Pump protection valves (automatic recirculation valve) are with main features as below:
» Nominal Diameter: 1"~12"
» Engineering Pressure: CL150~900
» Bypass Size: 1/2DN (standard); or special
» Recommended Flow Rate: 4 to 6 m / s up to 8 m / s
» Ends Connections: Flanged (ANSI or DIN)
» Main Body Materials: cast steel, forged carbon steel, beryllium cast chrome-nickel-molybdenum stainless steel, chrome-nickel-molybdenum-beryllium steel forging
» Trim Material: chrome steel, forged chrome-nickel-chromium-molybdenum stainless steel
1. Construction is as follows

- Full Port or Reduce Port

- One Piece or Split Body

- Bolted Bonnet with spiral-would gasket

- Fire Safe Design

- Anti-static Design & Blow-out proof stem

- Socket Weld Ends to ASME B16.11

- Butt Weld Ends to ASME B16.25

- Screwed Ends to ANSI/ASME B1.20.1

- Flanged Ends to ASME B16.5

2. Main Part & Materials

Part Names	Part Materials
Body	WCB/A105	LCB/LF2	WC6/F22	CF8/F304	CF8M/F316	CF3/F304L	CF3M/F316L
Bonnet	WCB/A105	LCB/LF2	WC6/F22	CF8/F304	CF8M/F316	CF3/F304L	CF3M/F316L
Ball	A105+ENP	SS304	F22	SS304	SS316	SS304L	SS316L
Stem	A105	F304	F6a	F304	F316	F304L	F316L
Seat/Seat Ring	PTFE/RPTFE/NYLON/DEVLON/PEEK or METAL
Packing	Graphite/PTFE
Gasket	SS304+Graphite/SS316+Graphite
Bolts/Nuts	B7/2H	L7/4	B16/4	B8/8	B8M/8M	B8/8	B8M/8M
Suitable Medium	W.O.G etc.			HNO3, CH3OOH etc.
Suitable Temperature	-29~425 °C	-46~340 °C	-46~340 °C	-196~427 °C	-196~427 °C	-196~427 °C	-196~427 °C

3. Normal Pressure Rating
PN10~PN420, CLASS150~2500
4. Normal Size Range
DN15~DN100, 1/2"~4"
5. Pictures
Final Inspection

Shipping