DIN Cast Iron SDNR Valve

Engineered with a robust nodular cast iron body and durable metal seating, this DIN Cast Iron SDNR Valve delivers reliable flow throttling and leak-proof shut-off for marine hot/cold water, steam, and oil systems. Its bolted bonnet construction, rising stem design, and PTFE packing ensure exceptional corrosion resistance and extended service life, fully complying with DIN 86251 and PN16 pressure standards for superior performance in demanding shipboard applications.

Overview

Application: This DIN Cast Iron SDNR (Screw Down Non-Return) Globe Valve is designed for marine applications aboard ships and industrial systems involving hot and cold water, oil, and steam. Ideal for start/stop and throttling control of seawater, water, steam, and oils, it is highly suitable for sea direct and harsh marine environments.

Material Specification:

NO	Part	Material
1	Body	Nodular Cast Iron
2	Seat	Bronze
3	Disc	≤65: Bronze; ≥80: Nodular Cast Iron + Brass
4	Stem	Brass
5	Bonnet	Nodular Cast Iron
6	Packing	PTFE
7	Gland	Bronze
8	Bolt/Nut	Q235A
9	Agile	Brass
10	Handwheel	Cast Iron

Technical Specifications:

Face to Face: DIN 558
Design Standard: DIN 86251
Flange Standard: EN1092 (DIN2501)
Test Standard: EN 12266
Applicable temperature: ≤200℃
Pressure rating: PN16 (DN15~150)

Drawing:

Drawing of DIN Cast Iron SDNR Valve.jpg

Dimensions (Unit: mm):

DN	L	≈H	D	D1	D2	b	n	d0	D0
15	130	165	95	65	45	16	4	14	100
20	150	165	105	75	58	16	4	14	100
25	160	175	115	85	68	16	4	14	100
32	180	180	140	100	78	18	4	18	100
40	200	220	150	110	88	18	4	18	140
50	230	230	165	125	102	20	4	18	140
65	290	245	185	145	122	20	4	18	180
80	310	295	200	160	138	22	8	18	200
100	350	330	220	180	158	24	8	18	200
125	400	365	250	210	188	26	8	18	250
150	480	420	285	240	212	26	8	22	300

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