316 Stainless Steel Inline Wafer Single Disc Check Valve. Wafer design to suit ANSI 150/300, DIN PN16/25/40 & Table H (will also fit Table D & E in some sizes, see dimensions tab for flange compatibility). Face to face in accordance with DIN3202-K4. Spring loading allows this check valve to be installed on any angle.

Model	Size (mm)	Media Pressure	Media Temperature	Cracking Pressure (mBar)	Cv
SDC-15	15	0 to 40 BAR	-20°C to 220°C	23	5.1
SDC-20	20	0 to 40 BAR	-20°C to 220°C	23	7.9
SDC-25	25	0 to 40 BAR	-20°C to 220°C	23	11.7
SDC-32	32	0 to 40 BAR	-20°C to 220°C	24	19.8
SDC-40	40	0 to 40 BAR	-20°C to 220°C	25	30.3
SDC-50	50	0 to 40 BAR	-20°C to 220°C	25	50.2
SDC-65	65	0 to 40 BAR	-20°C to 220°C	26	87.5
SDC-80	80	0 to 40 BAR	-20°C to 220°C	26	130.7
SDC-100	100	0 to 40 BAR	-20°C to 220°C	27	200.7
SDC-125	125	0 to 40 BAR	-20°C to 220°C	36	295.3
SDC-150	150	0 to 40 BAR	-20°C to 220°C	36	421.3
SDC-200	200	0 to 40 BAR	-20°C to 220°C	40	597.5

Stainless Steel In Line Check Valve Temperature vs Pressure

Size 15mm to 200mm
Body 316 Stainless Steel
Seat Stainless Steel
Pressure Range 0 to 40 BAR
Temperature -20°Cto 220°C

Stainless Steel Inline Single Disc Check Valve

Item	Part	Material	QTY
1	Body	CF8M	1
2	Spring Cover	SS316	1
3	Spring	SS316	1
4	Disc	CF8M	1

Stainless Steel Single Disc Wafer Check Valve

DN	Size	d	D	D1	D2	L	H	kgs
15	1/2"	15	39	28.5	32	16	3	0.10
20	3/4"	20	46	36.2	40	19	3	0.14
25	1"	25	54	43.3	46	21	3	0.20
32	1-1/4"	32	70	56	60	27	3.5	0.36
40	1-1/2"	40	83	68.5	72	31	3.5	0.51
50	2"	49	96	80.5	84	40	4	0.78
65	2-1/2"	62	115	99	103	46	5	1.24
80	3"	75	135	117	123	50	5	1.92
100	4"	85	153	135	140	60	6	2.62

Stainless Steel Single Disc Check Valve

DN	Size	d	D	D1	D2	L	H	W	kgs
125	5"	118	187	160	177	90	18	6.8	5.5
150	6"	140	217	187	205	106	23	7.2	8.3
200	8"	185	267	240	261	140	32	8	16.1

All dimensions in mm unless shown otherwise.

Suitable Flanges (Black will fit, Red will not), showing innner diameter of bolt hole

SDC	Outer Diameter	DIN				ANSI		AU
SDC	Outer Diameter	PN10	PN16	PN25	PN40	150Lb	300Lb	Table D	Table E
DN15	39	51	51	51	51	45.5	51.5	53	53
DN20	46	61	61	61	61	55	63.5	59	59
DN25	54	71	71	71	71	64.5	70	69	69
DN32	70	82	82	82	82	74	79.5	73	73
DN40	83	92	92	92	92	83.5	92.5	84	84
DN50	96	107	107	107	107	101.5	108	96	96
DN65	115	127	127	127	127	120.5	127	109	109
DN80	135	142	142	142	142	133.5*	146.5	128	128
DN100	153	162	162	168	168	171.5	178	160	160
DN125	187	192	192	194	194	194	213	192	192
DN150	217	218	218	224	224	219.5	248	217	213
DN200	274	273	273	284	290	276.5	305	274	270

*Bolts will fit on DN80 ANSI 150. Bolt hole size is 19mm and bolt size is 16mm

DATA SHEET

SDC

Wafer Inline Single Disc Check Valve

Features:

Size 15mm to 200mm
Body 316 Stainless Steel
Seat Stainless Steel
Pressure Range 0 to 40 BAR
Temperature -20°Cto 220°C

Description:

Model	Size (mm)	Media Pressure	Media Temperature	Cracking Pressure (mBar)	Cv
SDC-15	15	0 to 40 BAR	-20°C to 220°C	23	5.1
SDC-20	20	0 to 40 BAR	-20°C to 220°C	23	7.9
SDC-25	25	0 to 40 BAR	-20°C to 220°C	23	11.7
SDC-32	32	0 to 40 BAR	-20°C to 220°C	24	19.8
SDC-40	40	0 to 40 BAR	-20°C to 220°C	25	30.3
SDC-50	50	0 to 40 BAR	-20°C to 220°C	25	50.2
SDC-65	65	0 to 40 BAR	-20°C to 220°C	26	87.5
SDC-80	80	0 to 40 BAR	-20°C to 220°C	26	130.7
SDC-100	100	0 to 40 BAR	-20°C to 220°C	27	200.7
SDC-125	125	0 to 40 BAR	-20°C to 220°C	36	295.3
SDC-150	150	0 to 40 BAR	-20°C to 220°C	36	421.3
SDC-200	200	0 to 40 BAR	-20°C to 220°C	40	597.5

Stainless Steel In Line Check Valve Temperature vs Pressure

Dimensions:

Stainless Steel Single Disc Wafer Check Valve

DN	Size	d	D	D1	D2	L	H	kgs
15	1/2"	15	39	28.5	32	16	3	0.10
20	3/4"	20	46	36.2	40	19	3	0.14
25	1"	25	54	43.3	46	21	3	0.20
32	1-1/4"	32	70	56	60	27	3.5	0.36
40	1-1/2"	40	83	68.5	72	31	3.5	0.51
50	2"	49	96	80.5	84	40	4	0.78
65	2-1/2"	62	115	99	103	46	5	1.24
80	3"	75	135	117	123	50	5	1.92
100	4"	85	153	135	140	60	6	2.62

Stainless Steel Single Disc Check Valve

DN	Size	d	D	D1	D2	L	H	W	kgs
125	5"	118	187	160	177	90	18	6.8	5.5
150	6"	140	217	187	205	106	23	7.2	8.3
200	8"	185	267	240	261	140	32	8	16.1

All dimensions in mm unless shown otherwise.

Suitable Flanges (Black will fit, Red will not), showing innner diameter of bolt hole

SDC	Outer Diameter	DIN				ANSI		AU
SDC	Outer Diameter	PN10	PN16	PN25	PN40	150Lb	300Lb	Table D	Table E
DN15	39	51	51	51	51	45.5	51.5	53	53
DN20	46	61	61	61	61	55	63.5	59	59
DN25	54	71	71	71	71	64.5	70	69	69
DN32	70	82	82	82	82	74	79.5	73	73
DN40	83	92	92	92	92	83.5	92.5	84	84
DN50	96	107	107	107	107	101.5	108	96	96
DN65	115	127	127	127	127	120.5	127	109	109
DN80	135	142	142	142	142	133.5*	146.5	128	128
DN100	153	162	162	168	168	171.5	178	160	160
DN125	187	192	192	194	194	194	213	192	192
DN150	217	218	218	224	224	219.5	248	217	213
DN200	274	273	273	284	290	276.5	305	274	270

*Bolts will fit on DN80 ANSI 150. Bolt hole size is 19mm and bolt size is 16mm

Construction:

Stainless Steel Inline Single Disc Check Valve

Item	Part	Material	QTY
1	Body	CF8M	1
2	Spring Cover	SS316	1
3	Spring	SS316	1
4	Disc	CF8M	1

WARNING

These products are intended for use in industrial applications only. Do not use these products where pressures and temperatures can exceed those listed under ‘Technical Data’ and in our individual ‘Series’ data sheets. Before using these products with fluids other than these specified, for non-industrial applications, life-support systems, or other applications not within published specifications, consult Hawleys Engineering Solutions Pty Ltd. Through misuse, age, or malfunction, components used in industrial valve applications can fail in various modes. The system designer is warned to consider the failure modes of all component parts used in industrial valve applications and to provide adequate safeguards to prevent personal injury or damage to equipment in the event of such failure. System designers must provide a warning to the user in the system instructional manual if protection against a failure mode cannot be adequately provided. System designers and end users are cautioned to review specific warnings or specifications found in instruction sheets or labels packed or attached and shipped with the products. Our policy is one of continuous research and development. We therefore reserve the right to amend without notice the specifications given in this document or our individual ‘Series’ data sheets.

WARRANTY INFORMATION

All valve series and other products manufactured or distributed by Hawleys Engineering Solutions are warranted by Hawleys Engineering Solutions to be free of defects in material and workmanship for a period of 1 year from the date of purchase or as the manufacturer warrants. Hawleys Engineering Solutions obligation under this warranty is limited to repair or replacement of the defec1ive product or refund of the purchase price paid solely at the discretion of Hawleys Engineering Solutions and provided such defective product is returned to Hawleys Engineering Solutions freight prepaid and upon examination by Hawleys Engineering Solutions such product is found defective. This warranty shall be void in the event that the product has been subject to misuse, misapplication, improper maintenance, modification or tampering. This warranty is expressed in lieu of all other warranties, expressed or implied from Hawleys Engineering Solutions representatives or employees. Hawleys Engineering Solutions reserves the right to change Valve and Brochure specifications without notice.

Model	Size (mm)	Media Pressure	Media Temperature	Cracking Pressure (mBar)	Cv
SDC-15	15	0 to 40 BAR	-20°C to 220°C	23	5.1
SDC-20	20	0 to 40 BAR	-20°C to 220°C	23	7.9
SDC-25	25	0 to 40 BAR	-20°C to 220°C	23	11.7
SDC-32	32	0 to 40 BAR	-20°C to 220°C	24	19.8
SDC-40	40	0 to 40 BAR	-20°C to 220°C	25	30.3
SDC-50	50	0 to 40 BAR	-20°C to 220°C	25	50.2
SDC-65	65	0 to 40 BAR	-20°C to 220°C	26	87.5
SDC-80	80	0 to 40 BAR	-20°C to 220°C	26	130.7
SDC-100	100	0 to 40 BAR	-20°C to 220°C	27	200.7
SDC-125	125	0 to 40 BAR	-20°C to 220°C	36	295.3
SDC-150	150	0 to 40 BAR	-20°C to 220°C	36	421.3
SDC-200	200	0 to 40 BAR	-20°C to 220°C	40	597.5

Size 15mm to 200mm
Body 316 Stainless Steel
Seat Stainless Steel
Pressure Range 0 to 40 BAR
Temperature -20°Cto 220°C

DN	Size	d	D	D1	D2	L	H	kgs
15	1/2"	15	39	28.5	32	16	3	0.10
20	3/4"	20	46	36.2	40	19	3	0.14
25	1"	25	54	43.3	46	21	3	0.20
32	1-1/4"	32	70	56	60	27	3.5	0.36
40	1-1/2"	40	83	68.5	72	31	3.5	0.51
50	2"	49	96	80.5	84	40	4	0.78
65	2-1/2"	62	115	99	103	46	5	1.24
80	3"	75	135	117	123	50	5	1.92
100	4"	85	153	135	140	60	6	2.62

DN	Size	d	D	D1	D2	L	H	W	kgs
125	5"	118	187	160	177	90	18	6.8	5.5
150	6"	140	217	187	205	106	23	7.2	8.3
200	8"	185	267	240	261	140	32	8	16.1

All dimensions in mm unless shown otherwise.

Suitable Flanges (Black will fit, Red will not), showing innner diameter of bolt hole

SDC	Outer Diameter	DIN				ANSI		AU
SDC	Outer Diameter	PN10	PN16	PN25	PN40	150Lb	300Lb	Table D	Table E
DN15	39	51	51	51	51	45.5	51.5	53	53
DN20	46	61	61	61	61	55	63.5	59	59
DN25	54	71	71	71	71	64.5	70	69	69
DN32	70	82	82	82	82	74	79.5	73	73
DN40	83	92	92	92	92	83.5	92.5	84	84
DN50	96	107	107	107	107	101.5	108	96	96
DN65	115	127	127	127	127	120.5	127	109	109
DN80	135	142	142	142	142	133.5*	146.5	128	128
DN100	153	162	162	168	168	171.5	178	160	160
DN125	187	192	192	194	194	194	213	192	192
DN150	217	218	218	224	224	219.5	248	217	213
DN200	274	273	273	284	290	276.5	305	274	270

*Bolts will fit on DN80 ANSI 150. Bolt hole size is 19mm and bolt size is 16mm

Item	Part	Material	QTY
1	Body	CF8M	1
2	Spring Cover	SS316	1
3	Spring	SS316	1
4	Disc	CF8M	1

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Wafer Inline Single Disc Check Valve

SKU: SDC

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