Why do you choose quiet sump pump check valve
This kind of sump pump valve can be closed quickly when the pump is stopped to prevent a huge sound of water hammer.
Descreption of silent sump pump check valve
Symbol | DRVZ-10 | DRVZ-16 | DRVZ-25Q |
Nominal Pressure | PN1.0MPa | PN1.6MPa | PN2.5MPa |
Nominal Diameter | DN50-350mm | ||
High operating pressures | 1.0 MPa | 1.6 MPa | 2.5 MPa |
Sealing Pressure Test | 1.0 MPa | 1.6 MPa | 2.5 MPa |
Monoblock Pressure Test | 1.5 MPa | 2.4 MPa | 3.75 MPa |
Main Part | Body | cast steel, cast iron, stainless steel | |
Seat, bearing, disc, shaft | Aluminum bronze or stainless steel | ||
Spring | Stainless steel |
Test Standard
Nominal Pressure PN (MPa) | Strength Test | Water seal/upper seal test | Air Seal Test |
1.0 | 1.5 | 1.1 | 0.6 MPa |
1.6 | 2.4 | 1.8 | |
2.5 | 3.8 | 2.8 |
Certificate
FAQ
Q1: Do you have MOQ?
A: 1pcs is available.
Q2: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 25-35 days for production, also depends on your quantity.
Q3: Do you provide samples ? is it free or not ?
A: Yes, we could offer the sample for free charge but freight cost at your account.
Q4: What is your terms of payment ?
A:We accept payment ways such as T/T, L/C,WESTERN UNION
Q5. You have your own brand "Kemus". Do you accept OEM?
A. Of cause, kindly issue your instruction to go ahead it.
Look forward to receiving your inquiry
Contact: Lizy Liu
E-mail: sales2@kemus-valve.com
Mob/Webchat: 86-15960358834
Tel: 86-0592-7103069
Fax: 86-0592-5964598
Skype: sui_lizy
