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Triple Offset Butterfly Valve

Triple Eccentric Butt-weld Metal to Metal Butterfly Valve DN600-2000 Bidirectional flange triple offset butterfly valve DN200-500 Bidirectional flange triple offset butterfly valve DN50-DN300 Double flange type Metal to Metal Butterfly Valve DN350-DN500 D343Double flange butterfly valves DN600-DN2000 D343Double flange butterfly valves High temperature outside bearing butterfly valve Wafer type butterfly valve Wafer type butterfly valve

Double Eccenric Butterfly Valve

Double flange double offset butterfly valve DN 600-DN 2000 Double flange double offset butterfly valves DN 200-DN 500

Concentric Butterfly Valves

Flange center lined buterfly valves Wafer type center lined butterfly valves

DN350-DN500 D343Double flange butterfly valves

Design: BS EN593

Flange: EN1092-1 /GOST 33259-2015

Face to Face: EN558-1-Series 13; Series 14;

Materials: WCB/LCB/LCC/LC1/CF8/CF8M/SS321/SS904L

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Briefs

Standards

Optional

Remarks

parameter(Dimension: mm)

Briefs

Triple eccentric design;

Bidirectional type zero leakage

Size rage from DN350—DN 500mm

Pressure rating: PN10 – PN25 from DN350-DN 500mm PN 40 for DN 200-DN 1200mm

Applications: water, hot water, oil and gas etc.

Standards

Design:

BS EN593

Flange:

EN1092-1 /GOST 33259-2015

Face to Face:

EN558-1-Series 13; Series 14;

WCB/LCB/LCC/LC1/CF8/CF8M/SS321/SS904L

Optional

Electric actuator / pneumatic actuator/ bare shaft / gearbox +ready flange

Remarks

Design and manufacture as per BS EN593

Face to face dimensions as per BS EN558 Series 13

Flange dimensions as per Gost 33259-2015

Pressure test as per BS EN12266-1

Pressure test		PN10	PN16	PN25
Shell		15bar	24bar	37.5bar
Seal	Water	11bar	17.6bar	27.5bar
Seal	Air	6bar	6bar	6bar

Media: Water, oil and gas Temperature: -15~350℃ Dimension: mm

Material for main parts

No.	Part Name	Material	No.	Part Name	Material
1	Cover	Q235	7	Disc	WCB
2	Body	WCB	8	Retainer	Q235
3	Bushing	Self- lubricating	9	Packing	Graphite
4	Body seat	SS304	10	Gland	WCB
5	Disc seat	SS304+ XB450	11	Yoke	WCB
6	Stem	2Cr13	12	Gear box	Ductile iron

parameter(Dimension: mm)

DN	PN	LF	D	D0	D1	n-Ød		f	b	H #	H1 #
350	10	190	505	429	460	16-Ø22		4	26	468	295
	16		520	429	470	16-Ø26			30	468	295
	25		555	448	490	16-Ø33	4-M30 *		38	490	340
400	10	216	565	480	515	16-Ø26			26	508	328
	16		580	480	525	16-Ø30			32	540	326
	25		620	503	550	16-Ø36	4-M33 *		40	517	368
450	10	222	615	530	565	20-Ø26			28	537	378
	16		640	548	585	20-Ø30			34	537	378
	25		670	548	600	20-Ø36	4-M33 *		40	562	410
500	10	229	670	582	620	20-Ø26			28	610	378
	16		715	609	650	20-Ø33			36	628	400
	25		730	609	660	20-Ø36	4-M33 *		44	660	435

The "n" of "n-Ød" is the total number of holes, 4-Mxx means that the 4 holes at stem upper and lower position are threaded holes. "H" and "H1" for reference only.

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