DCV3 Check Valve Disc
Spirax Sarco valves provide various types of non-return valves to effectively prevent fluid backflow in the pipeline. At the same time, installation and maintenance are simple.

1- Effectively reduce maintenance workload

2- Prevent pipeline from backflow

3- compact design

Spirax Sarco DCV3 Check Valve Overview

DCV1, DCV2 and DCV3 disc check valves are designed to be mounted between flanges. Suitable for various fluids in process pipes, hot water systems, steam systems and condensate systems. The flange spacing complies with EN558 party series49.

Standard DCV check valves have metal to metal seat. Other options available on request, see Section 2.5.

Note: For additional content, please refer to the technical letter: T-One P134-05 for DCV1 or TI-P134-50 for DCV2 and DCV3.

Spirax Sarco DCV3 check valve caliber and pipe connection

DN15, 20, 25, 32, 40, 50, 65, 80 and 100 can be installed on BS10 meter 'E' and 'I I' meter flanges

BS4504 / (DIN) PN6, 10, 16, 25, 40; between JIS 5, 10, 16 and 20 flanges, divided by the case;

DN40, 50, 80 and 100 cannot be installed between JIS 5 flanges, DN65 and 80 cannot be installed between BS10 ‘E’ flanges

Spirax Sarco DCV3 check valve alternatives

High-load spring (700mbar [lOpsi] opening pressure, maximum DN65) in boiler feed water applications o

Fluorinated rubber soft valve seat for Shan, gas, steam system applications.

EPDNf soft seat for water systems.

Some products and services are only available in certain regions.

Spirax Sarco DCV3 Check Valve Introduction
Spirax Sarco offers various types of check valves to effectively prevent fluid from flowing back in the pipeline. At the same time, installation and maintenance are simple.
Effectively reduce maintenance workload
Prevent pipeline from backflow
Compact design
Spirax Sarco DCV3 check valve description
Observe the operating instructions, and the correct installation, commissioning, and maintenance by qualified personnel is the only guarantee for the safe operation of the valve. (See section 11 of the attached safety information) During installation, the pipeline wiring and factory building installation and safety guidelines, the correct use of tools and the necessary safety equipment must be followed.
isolation
Taking into account that the closing valve will put other parts of the system or the operator at risk. The danger may include ventilation ducts and protective equipment, or alarm devices. Make sure the shut-off valve is gradually closed to avoid system shock.
Spirax Sarco DCV3 check valve pressure
Before making any repairs, consider the substances in the pipes. Make sure that the valve is completely isolated from the pressure system, and that the pressure of the separated part is completely exhausted to the atmosphere. data). Do not assume that when the pressure gauge shows zero, all pressure has been released.
Spirax Sarco DCV3 check valve temperature
After the valve is isolated, it should be cooled to normal temperature to avoid burns, and protective clothing and protective glasses should be considered.
Fluorinated rubber soft valve seat
If the fluorinated rubber soft seat is used near 315 ° C (599 ° F) or higher, it may decompose and form hydrofluoric acid. Avoid skin contact and inhalation of this acid, otherwise it will cause skin burns and damage breathing system.
Spirax Sarco DCV3 check valve processing
This product is recyclable and properly handled without causing ecological problems, removing:
Fluorinated rubber soft valve seat
First, in accordance with national and local regulations, the waste can be landfilled.
Some can be incinerated, but the hydrogen fluoride generated in the product must be removed by a scrubber in compliance with national and local regulations.
A part is insoluble in aqueous solution.

Spirax Sarco DCV3 check valve caliber and pipe connection
DN15, 20, 25, 32, 40, 50, 65, 80 and 100 can be installed on BS10 meter 'E' and 'I I' meter flanges
BS4504 / (DIN) PN6, 10, 16, 25, 40; between JIS 5, 10, 16 and 20 flanges, divided by the case;
DN40, 50, 80 and 100 cannot be installed between JIS 5 flanges, DN65 and 80 cannot be installed between BS10 ‘E’ flanges
Spirax Sarco DCV3 check valve alternatives
High-load springs in boiler feedwater applications (700mbar [lOpsi] opening pressure, maximum DN65)
Fluorinated rubber soft valve seat for Shan, gas, steam system applications.
EPDNf soft seat for water systems.
Note: Please read the Safety Guide in Part 1 before proceeding with the installation
Refer to the installation guide and maintenance guide, nameplate and technical emergency information to check that the valve meets the installation requirements.

Spirax Sarco DCV3 check valve connection
The Spirax Sarco DCV3 non-return valve is installed between two pipeline valve orchids. Standard gaskets, long bolts or studs are used on both sides of the valve. Note: Flange, bolt (or stud), nut or interface gasket provided by installer. Generally, when tightening the valve blue bolts with a strong distance, tighten them diagonally.

Order process
Landline: 021-59718851 (AM-8: 30 to PM-17: 30)
Mobile phone: 18918462396 (WeChat same number 24-hour service)

QQ: 2030185432

Email: kunage@126.com
Receive customer purchase list, provide customers with valve model selection and quotation (price list).
Specific agreement: delivery time, special requirements, etc.
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Customers have special requirements for products, and must provide the following instructions in the order contract:
(1) Structure length;
(2) Connection form;
(3) Nominal diameter, full diameter, reduced diameter, pipe size;
(4) Operating medium, temperature and pressure range;
(5) Experiment, inspection standards and other requirements;
(6) Various driving devices can be configured in this field according to the special requirements of customers;
If the determined valve type and model are provided by the customer, the customer should correctly explain the meaning and requirements of its model, and sign the contract under the conditions that the supply and demand sides understand and agree.