TECVAL_check-valves

VW20-05 - TECVAL,S.L., 2023 all rights reserved.

VW-20
3-Pieces Forged Check Valve Working Pressures: 100 \| 160 bar (1500 \| 2300 PSI)
Tecval VW-20 3-Pieces Check Valve is a Forged design. Due to its 3-Pieces design allows easy and safe assembly. Unique in the market with Superduplex spring. The forged connections result a mechanical stronger and more durable product, especially suitable for working in high corrosive environment. They are manufactured in several sizes, connections and alloys, always under ASME B16.34.

Features

	Standard Superduplex Spring.
	Unique design between forged Flanges.
	Three pieces to allow a full disassembling.
	No maintenance required.
	Easy installation in any position.
	100% tested.

Options

	NBR seats. B
	Male-Female (MxF) end connections. C
	High working pressure 160 bar (2300 PSI). I
	Male-Male (MxM) end connections. J
	NEOPREN seats. N
	FPM seats. VI

Technical data
Max. Pressure	Standard working pressure: 100 bar (1500 PSI) High working pressure 160 bar (2300 PSI)
Obert. Press	Horizontal flow direction: 1 bar (14,5 PSI) Flow going down: 500 mbar (7,3 PSI) / Flow rising: please consult.
Temperatures	-20ºC/200ºC (-4ºF/392ºF)
Dimensions	1/2"	3/4"	1"	11/4"	11/2"	2"
A	75	75	90	97	102	125
B	56	56	69	90	90	106
C	15	15	20	30	30	38
Order codes
BSP	2711	2715	2721	2741	2745	2751
SW	2713	2717	2723	2743	2747	2753
BW Sch.40s	2714	2718	2724	2744	2748	2754
NPT	2712	2716	2722	2742	2746	2752
VIC Grooved	-	2719	2720	2740	2749	2750

* Dimensions in mm

Materials

Nº	Part	AISI-316L A4	SuperDuplex AS
1	Body	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)
2	Bonnet	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)
3	Stem	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)
4	Seat	EPDM	EPDM
5	Spring	Superduplex (1.4410/ 1.4501)	Superduplex (1.4410/ 1.4501)
6	End connection	AISI-316 (1.4401)	Superduplex (1.4410/ 1.4501)
7	Screw	AISI-316L (1.4404)	AISI-316L (1.4404)
8	Grower Washer	AISI-316L (1.4404)	AISI-316L (1.4404)
9	Nut	AISI-316L (1.4404)	AISI-316L (1.4404)
10	O-ring	EPDM	EPDM

Ordering information

References are formed by three parts:

Valve Code  Look for it in the order codes chart on the previous page.
Option/s  If required, add the code/s from the options section on the previous page (in alphabetical order).
Material  Look for the code on the materials chart.

Example: Check Valve VW-20 1"NPT Superduplex:
2722 AS The reference required to place the order is 2722AS .

Tests

100% tested in accordance to API STANDARD 598, each valve is tested to check the leakage in the seats. Upon request, the corresponding materials and test certificates can be delivered with the valve.

Packaging

All TECVAL valves are supplied packed in individual polyethilene airtight bags. End screw connections are protected with polyethilene caps. Everything is 100% recyclable.

Elastomers & Seats

Seat (position 4) and O-ring (position 10) can be made of different materials: Nitrile B , FPM VI or Neopren N , considering the working conditions. Likewise the seats can be made in other materials upon request.

VW01-13 - TECVAL, S.L., 2023 all rights reserved.

VW-01
Wafer Type Lift Check Valve between flanges EN1092-1 Up to 160 bar (2300 PSI)
TECVAL manufactures its VW-01 Wafer Type Lift Check Valve. Developed by TECVAL, it is an exclusive and totally innovative use of the seal, which is suitable to work under high pressure service. Unique in the market with Superduplex spring. Its compact design guarantees a total hold-up, even with high volatile gases, fluids, steam,...etc.

Features

	Standard Superduplex Spring.
	Face to Face dimensions acc. to EN558:2008.
	Compact design.
	No maintenance required.
	Easy mounting in any position.
	100% tested.

Options

	NBR seats. B
	NEOPREN seats. N
	FPM seats. VI

Technical data
Max. Pressure	Up to 160 bar (2300 PSI)
Obert. Press	Horizontal flow direction: 20 mbar (0,3 PSI)
Temperatures	-20ºC/200ºC (-4ºF/392ºF)
Dimensions	DN15	DN20	DN25	DN32	DN40	DN50	DN65	DN80
L	25	31.5	35.5	40	45	56	63	71
(PN100-PN160) B	60	72	82	90	103	119	144	154
(PN64) B	60	72	82	90	103	113	138	148
(PN25-PN40) B	51	61	71	82	92	108	127	142
C	15	20	25	32	40	48.5	63	77
Order codes
PN100 - PN160	4650	4651	4652	4653	4654	4655	4656	4657
PN64	4660	4661	4662	4663	4664	4665	4666	4667
PN25 - PN40	4670	4671	4672	4673	4674	4675	4676	4677

* Dimensions in mm

Materials

Nº	Part	AISI-316L A4	SuperDuplex AS
1	Body	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)
2	Bonnet	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)
3	Stem	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)
4	Spring	Superduplex (1.4410/ 1.4501)	Superduplex (1.4410/ 1.4501)
5	Seat	EPDM	EPDM

Special alloys

Among the wide range of alloys existing, TECVAL has selected this material considered by our customers as most suitable, which we stock to ensure a quick and effective supply. Whether you need further information about our special alloys valves and fittings, please address your inquiry to our Technical Department.

Ordering information

References are formed by three parts:

Valve Code Look for it in the order codes chart on the previous page.	..	Option/s -If required, add the code/s from the options section on the previous page (in alphabetical order)	...	Material -Look for the code on the materials chart.
An example of valve and one option: Wafer Type Lift Check Valve VW-01 DN 50 PN160 Superduplex: 4655 AS The reference required to place the order is 4655AS.

Tests

100% tested in accordance to API STANDARD 598, each valve is tested to check the leakage in the seats. Upon request, the corresponding materials and test certificates can be delivered with the valve.

Packaging

All TECVAL valves are supplied packed in individual polyethilene airtight bags. End screw connections are protected with polyethilene caps. Everything is 100% recyclable.

Elastomers & Seats

Seat (position 5) can be made of different materials: Nitrile B , FPM VI or Neopren N , considering the working conditions. Likewise the seats can be made in other materials upon request.

VW02-08 - TECVAL, S.L., 2022 all rights reserved.

VW-02
Wafer Type Lift Check Valve between flanges ASME B-16.5 Up to 160 bar (2300 PSI)
TECVAL manufactures its new VW-02 Wafer Type Lift Check Valve. Developed by TECVAL, it is an exclusive and totally innovative use of the seal, which is suitable to work under high pressure service. Unique in the market with Superduplex spring. Its compact design guarantees a total hold-up, even with high volatile gases, fluids, steam,...etc.

Features

	Standard Superduplex Spring.
	Face to Face dimensions acc. to EN558-2, line 52.
	Compact design.
	No maintenance required.
	Easy mounting in any position.
	100% tested.

Options

	NBR seats. B
	NEOPREN seats. N
	FPM seats. VI

Technical data
Max. Pressure	Up to 160 bar (2300 PSI)
Obert. Press	Horizontal flow direction: 20 mbar (0,3 PSI)
Temperatures	-20ºC/200ºC (-4ºF/392ºF)
Dimensions	1/2"	3/4"	1"	11/4"	11/2"	2"	21/2"	3"
L	25	31.5	35.5	40	45	56	63	71
(CLASS 900) B	60	66.5	76	85	95	140	162	165
(CLASS 300-400-600) B	51	63.5	70	79.5	92	108	127	146
(CLASS 150) B	44.5	54	63.5	73	82.5	101.5	120	133
C	15	20	25	32	40	48.5	63	77
Order codes
CLASS 150	4700	4701	4702	4703	4704	4705	4706	4707
CLASS 300-400-600	4730	4731	4732	4733	4734	4735	4736	4737
CLASS 900	4740	4741	4742	4743	4744	4745	4746	4747

* Dimensions in mm

Materials

Nº	Part	AISI-316L A4	SuperDuplex AS
1	Body	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)
2	Bonnet	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)
3	Stem	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)
4	Spring	Superduplex (1.4410/ 1.4501)	Superduplex (1.4410/ 1.4501)
5	Seat	EPDM	EPDM

Special alloys

Among the wide range of alloys existing, TECVAL has selected this considered by our customers as most suitable, which we stock to ensure a quick and effective supply. Whether you do not find the required alloy or need further information about our special alloys valves and fittings, please address your inquiry to our Technical Department.

Ordering information

References are formed by three parts:

Valve Code
Look for it in the order codes chart on the previous page.

..

Option/s
-If required, add the code/s from the options section on the previous page (in alphabetical order)

...

Material
-Look for the code on the materials chart.

An example of valve and one option:

Wafer Type Lift Check Valve VW-02 2" CLASS 150 Superduplex: 4705 AS

The reference required to place the order is 4705AS

Tests

100% tested in accordance to API STANDARD 598, each valve is tested to check the leakage in the seats. Upon request, the corresponding materials and test certificates can be delivered with the valve.

Packaging

All TECVAL valves are supplied packed in individual polyethilene airtight bags. End screw connections are protected with polyethilene caps. Everything is 100% recyclable.

Elastomers & Seats

Seat (position 5) can be made of different materials: Nitrile B , FPM VI or Neopren N , considering the working conditions. Likewise the seats can be made in other materials upon request.

VR01-09 - TECVAL,S.L., 2021 all rights reserved.

VR-01
Poppet Check Valve (FxF) Working Pressures: 100 \| 210 bar (1500 \| 3000 PSI)
TECVAL VR-01 poppet check valves are designed to work with liquids under both high pressure and temperature service. They open at a fixed low pressure and close immediately the moment the flow reverses. They are commonly used in chemical plants, water treatment plants, refineries, laboratories and power stations, as well as in general industry.

Features

	Metal-to-metal seal by movable poppet (up to 1").
	O-Ring seal (from 1¼”" to 3").
	Compact design.
	No maintenance required.
	Easy mounting in any position (without spring must be mounted horizontally)
	100% tested.

Options

	High working pressure 210 bar (3000 PSI). I
	Poppet with O-ring seal (up to 1"). R
	Assembled without spring. S

Technical data
Max. Pressure	Standard working pressure: 100 bar (1500 PSI) High working pressure 210 bar (3000 PSI)
Obert. Press	1 bar (14.2 PSI)
Temperatures	-20ºC/400ºC (-4ºF/752ºF)
Dimensions	1/4"	3/8"	1/2"	3/4"	1"	1¼"	1½"	2"	2½"	3"
A	33	35	42	45	50	55	72	72	112	112
B	12.5	15	17.5	20	25	33	45	45	69	69
C	50	55	65	75	90	100	115	115	180	180
D	25	30	35	40	50	60	80	80	120	120
Orifice Size (DN)	6.5	8	11	14	16	17	22	25	35	42
Maximum Cv	0.8	1.2	2.3	3.1	4.2	4.4	4.9	8.9	14.6	22.9
Order codes
BSP	4200	4203	4206	4209	4212	4227	4215	4218	4221	4224
NPT	4201	4204	4207	4210	4213	4228	4216	4219	4222	4225
SW	4202	4205	4208	4211	4214	4229	4217	4220	4223	4226
BW Sch.40s	4250	4251	4252	4253	4254	4230	4255	4256	4257	4258
VIC Grooved	4280	4281	4282	4283	4284	4289	4285	4286	4287	4288

* Dimensions in mm

Materials

Nº	Part	AISI-316L A4	SuperDuplex AS
1	Cap	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)
2	Spring	Stainless Steel Coated	Stainless Steel Coated
3	Poppet	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)
4	Body	AISI-316L (1.4404)	Superduplex (1.4410/ 1.4501)
5	Poppet O-ring *	EPDM	EPDM
6	Safety lock nut *	AISI-316L (1.4404)	AISI-316L (1.4404)

Special alloys

Among the wide range of alloys existing, TECVAL has selected those considered by our customers as most suitable, which we stock to ensure a quick and effective supply. Whether you do not find the required alloy or need further information about our special alloys valves and fittings, please address your inquiry to our Technical Department.

Elastomers & Seats

Poppet O-ring (position 5) can be made of different materials (NBR, EPDM & NEOPREN) upon request, considering the working conditions and fluid of the valve. For further information, please contact our Technical Department.

Poppet O-Ring * / Safety lock nut *

Poppet O-Ring *: In order to provide a perfect seal, our VR-01 valves in standard version are equipped with O-ring in poppet from dimensions 1¼”" to 3".
Optionally, the dimensions from 1/4" to 1" can also incorporate this type of closure. R

Safety lock nut *: To avoid accidental detachment of the top cap, VR-01 valves incorporate a safety lock nut in dimensions from 1¼”" to 3".

Ordering information

References are formed by three parts:

Valve Code
Look for it in the order codes chart on the previous page.

..

Option/s
-If required, add the code/s from the options section on the previous page (in alphabetical order)

...

Material
-Look for the code on the materials chart.

An example of valve with one option:
Check valve VR-01 1/2"NPT AISI-316L with O-ring in the closure: 4207 R A4 .

The reference required to place the order is 4207RA4

Tests

100% tested in accordance to API STANDARD 598, each valve is tested to check the leakage in the seats and packing. Upon request, the corresponding materials and test certificates can be delivered with the valve.

Packaging

All TECVAL valves are supplied packed in individual polyethilene airtight bags. End screw connections are protected with polyethilene caps. Everything is 100% recyclable.

Check Valves