-0.5~3bar SPDT brass adjustable pressure switches
Description
The pressure switch is a device combined with an electrical switch.
When the preset fluid pressure is reached, the switch contact will
act. It is mainly used in power plants, petrochemicals,
metallurgical industries and other industrial equipment to output
alarm or control signals.
The Q series pressure switch can monitor the pressure of liquid or
gas at a temperature of -20~120°C, and respond to the change of the
medium flow through the micro switch. It can adjust the range and
differential settings. There are waterproof and explosion-proof
housings to choose from to meet customer needs. Different usage
scenarios require.
- Q series single pressure controls can be not only used in
fluorinated refrigerant, but also in the air and liquid(allowed
liquid temp. -20 to 120°C)
- Adjustable range and differential settings
- Renovated SPDT micro-switch ensures the reliable switch function
- Flexible mounting bracket suits various kids of application
- Upper lid is optional (IP44)
- Various connections are available on request
- Automatic and manual reset version
- The material of bellows is copper and pressure interface is brass
- Several models available in drip-proof enclosure for marine
applications or in explosion-proof enclosure for special
applications
- CE approval
Technical Data
| Model | Range(bar) | Differential(bar) | Factory setting(bar) | Max bellows pressure |
| Min | Max | Min | Max | OFF | ON |
| Q3 | -0.5 | 3 | 0.35 | 1.5 | 2 | 1 | 16.5 |
| Q6 | -0.5 | 6 | 0.6 | 4 | 3 | 2 | 16.5 |
| Q6M | -0.5 | 6 | ≤1 | 3 | Manual reset | 16.5 |
| Q10 | 1 | 10 | 1 | 3 | 6 | 5 | 16.5 |
| Q16 | 5 | 16 | 1 | 4 | 10 | 8 | 33 |
| Q20 | 5 | 20 | 2 | 5 | 16 | 3 | 33 |
| Q30D | 5 | 30 | 3 | 10 | 20 | 15 | 33 |
| Q30 | 6 | 30 | 3-5(fixed) | 20 | 15-17 | 33 |
| Q30M | 6 | 30 | ≤4 | 20 | Manual reset | 33 |
Note:
Calibration unit on scale plate with “bar” & “psig”, could be
revised into “Mpa”& “kgf/cm2” if required by customers. Connections
could have selections as British Flare (E), solder (C) and
capillary (S).
Dimensions (mm)
Electric Rating
Rated Amps(A) Rated Voltage |
| 125V AC | 250V AC | 24V DC |
| Non-Inductive Current | 20A | 10A | 10A |
| Inductive Current | Full Load Current | 15A | 8A | 8A |
| Locked Roter | 72A | 64A |
Electric wiring
FAQ
1 Q: What's the delivery time?
A: According to the specification and quantity of your order,
generally 4
days for normal standard products within 10pcs.
2 Q:Are you manufacturer or trading company?
A: We are manufacturer with many years of experience.We have our
own factory.Welcome to visit our factory.
3 Q: Can we use our logo on the products?
A: Yes.We can provide OEM service.
4 Q: Do you have products with ex-proof certificate?
A: Yes,we can offer intrinsic-safety and flame proof certificates.
5 Q: What is the warranty of your products?
A: Normal is 12 months.
6 Q: What's the means of transport?
A: Express such as TNT,Fedex,DHL,UPS, or logistics by indicator.
