Double Flanged Butterfly Valve

Model NO. D41X Butterfly valve series

D41X Butterfly valve series
Model NO.
D41X
Size Range DN50~DN2200
Nominal Pressure 16bar
Suitable Temperature -20~100°C
Suitable Medium Water, sea water, gas and other non‑corrosive medium
Design Standard: GB/T 12238
Face‑to‑Face: GB/T 12221
Connection Size: PN10/PN16/CLASS150
Pressure Testing: GB/T 13927

Quantity

Double Flanged Butterfly Valve of SJ

Functions and Uses

Concentric Flanged butterfly valve is used for pipeline water supply and drainage,gas pipeline regulated flow andclosed the medium.As long as the rotation of 90°,you can close quickly,and operate easily.In the cylindrical channelof the valve body,the disc rotates around the axis,and the rotation angle is between 0°~90°.When it rotates to 90°,the valve is fully open.

Technical parameters
Medium/working condition Main Parts	Can be used in water supply and drainage,central air conditioning,heating,sewage, chemical industry,paper making,Marine,food industry,etc
Body	Ductile iron/WCB/SS.,etc.
Disc	SS/DSS/Copper Alloy
Seat	NBR	EPDM	VITON
Suitable temperature	-20℃~80℃	-20℃~100℃	-10℃~180℃

Main Parts and Materials:

Part name

Material

Part name

Material

Body

GGG40

Seat

EPDM/NBR

Disc

GGG40/CF8/CF8M

Gland bush

PTFE/Copper

Shaft

SS420

O ring

NBR

Recommend Products

Message Content

Country

Fax

WS&BOTIM

Company Name

Name

Pressure Range

Material Grades

End Connections

Operation

Size Range

File

You can only upload 1 attachments at most
Supported formats: PDF,JPG,PNG,EXCEL,WORD,STP,IGS,DWG,DXF,PDF,STEP
The size of the uploaded file should not exceed 10MB

SEND INOUIRY >

Talk To Our Team

Have a question for our team? Get in touch with the details below.

BOTIM

+39 389 949 9067

PHONE

+39 389 949 9067

andant@sanjingvalve.com

+39 389 949 9067

CONTACT INFORMATION

WORKING HOURS

Sitemap

Contact Us

Head Office Address: Viale del Lavoro.19,20003 Casorezzo Ml. ltaly Testing zone 1 Address:Via S. Giovanni Bosco S.n.c.70020 – Poggiorsini (BA) – ITALY

EMAlL: andant@sanjingvalve.com
PHONE: +39 389 949 9067
WHATSAPP:+39 389 949 9067

Branch Office Address:Dongou Industrial Zone, Oubei Street, Yongjia Wenzhou City, Zhejiang Province China Testing zone 2 Address:No. 205, Linwu Road, Sanqiao Industrial Zone

What exactly is the relationship between SANJING Valve Company and S J Valvole S.R.L.?

SJ Valvole S.R.L. is an Italian-registered entity holding multiple European OEM brand authorizations, utilizing shared local facilities for valve manufacturing, testing, and dispatch. SANJING Valve Co. operates as a wholly owned subsidiary of S J Valvole S.R.L., serving as its primary manufacturing hub with licensed processing rights under European brand authorizations.

Strategic Synergy & Operational Purpose

The operational alignment between SANJING Valve Co. and S J Valvole S.R.L. is strategically structured to meet global trading requirements:

Pricing & Cost Efficiency: Optimizes tariff structures and local production costs to maintain competitive global pricing.

Supply Chain & Lead Times: Streamlines manufacturing schedules to meet strict delivery deadlines across international markets.

Compliance & Documentation: Facilitates tailored Certificates of Origin (COO) to fulfill regional import regulations and trade agreements.

Global Agency Agreements: Supports international distribution networks and global strategic partnership frameworks.

Data size:
mm							PN10			PN16			150LB			ISO 5211
mm	H±4	A±3	B±3	φC	C	n-b	ΦD1	ΦD2	N-Φd	ΦD1	φD2	N-φd	ΦD1	φD2	N-Φd	ΦD4	ΦD5	n-Φd1
DN50	108	120	80	Φ12.60	32	1-3	165	125	4-Φ19	165	125	4-Φ19	152	120.6	4-Φ19	65	50	4-Φ8
DN65	112	145	75	φ12.60	32	1-3	185	145	4-φ19	185	145	4-φ19	178	139.7	4-φ19	65	50	4-φ8
DN80	114	130	90	φ12.60	32	1-3	200	160	8-φ19	200	160	8-Φ19	191	152.4	4-Φ19	65	50	4-φ8
DN100	127	165	115	φ15.77	32	1-5	220	180	8-φ19	220	180	8-φ19	229	190.5	8-φ19	90	70	4-φ10
DN125	140	180	110	φ18.92	32	1-5	250	210	8-Φ19	250	210	8-φ19	254	215.9	8-φ22.4	90	70	4-Φ10
DN150	140	190	150	Φ18.92	32	1-5	285	240	8-φ23	285	240	8-φ23	279	241.3	8-Φ22.4	90	70	4-Φ10
DN200	152	240	160	φ22.10	45	1-5	340	295	8-Φ23	340	295	12-Φ23	343	298.4	8-φ22.4	125	102	4-Φ12
DN250	165	260	195	φ28.50	45	1-8	395	350	12-φ23	405	355	12-φ28	406	361.9	12-φ25.4	125	102	4-φ12
DN300	178	300	220	φ31.60	45	1-8	445	400	12-φ23	460	410	12-φ28	483	431.8	12-φ25.4	125	102	4-Φ12
DN350	190	330	245	φ31.60	45	1-8	505	460	16-Φ23	520	470	16-Φ28	533	476.2	12-φ28.4	125	102	4-Φ12
DN400	216	370	267	φ33.15	52	1-10	565	515	16-φ28	580	525	16-φ31	597	539.5	16-φ29	175	140	4-Φ18
DN450	222	400	300	φ38.00	52	1-10	615	565	20-φ28	640	585	20-φ31	635	578	16-φ32	175	140	4-Φ18
DN500	229	500	390	φ41.15	64	1-10	670	620	20-φ28	715	650	20-φ34	699	635	20-φ32	175	140	4-φ18
DN600	267	522	413	φ50.65	70	2-16	780	725	20-φ31	840	770	20-φ37	813	749.5	20-φ35	210	165	4-φ22
DN700	292	570	480	φ63.35	82	2-18	895	840	24-φ31	910	840	24-φ37	927	863.6	28-φ35	300	254	46252
DN750	308	610	490	φ63.35	82	2-18							984	914.5	28-φ35	300	254	8-Φ18
DN800	318	630	515	φ63.35	82	2-18	1015	950	24-φ34	1025	950	24-φ40	1060.5	977.9	28-φ41	300	254	8-Φ18
DN900	330	690	560	φ75	130	2-20	1115	1050	28-φ34	1125	1050	28-φ40	1168	1086	32-φ41	300	254	8-φ18
DN1000	410	745	635	φ85	130	2-22	1230	1160	28-φ37	1255	1170	28-φ43	1289	1200.2	36-φ41	300	254	8-φ18
DN1050	410	858	757	φ85	130	2-22							1346	1257.5	36-Φ41	300	254	46252
DN1200	470	925	775	φ105	150	2-28	1455	1380	32-φ40	1485	1390	32-φ49	1511	1422.5	44-φ41	350	298	8-Φ22
DN1300	490	990	890	φ130	150	2-32							1625.6	1536.7	44-φ48	415	356	8-φ33
DN1400	530	1022	905	Φ130	200	2-32	1675	1590	36-φ43	1685	1590	36-φ49	1746.3	1651	48-φ48	415	356	8-φ33
DN1500	570	1050	1000	φ140	200	2-36							1854	1759	52-φ51	415	356	8-φ33
DN1600	600	1150	1020	φ140	200	2-36	1915	1820	40-φ49	1930	1820	40-φ56				475	406	8-φ40
DN1800	670	1200	1126	Φ160	280	2-40	2115	2020	44-φ49	2130	2020	44-φ56	2197	2096	60-51	560	483	12-φ40
DN2000	760	1363	1320	φ180	280	2-45	2325	2230	48-φ49	2345	2230	48-φ62				560	483	12-φ40
DN2200	800	1500	1500	φ200	300	2-45	2550	2440	52-φ56	2555	2440	52-φ62				560	483	12-φ40