Limit Switches and Pilot Valves From a China OEM Factory
This category covers Model 210, 310, 410A, 410B, and 510 limit switch boxes along with pilot valves, engineered as direct accessories for electro pneumatic valve positioners. These units deliver discrete electrical valve position confirmation and pneumatic control support for automated valve packages, with OEM housing colours, custom nameplates, and fast stock fulfillment.
Every Model in This Range
Problems This Range Solves
- Control room needs positive valve position confirmation but the existing electro pneumatic positioner lacks limit switch feedback
- A damaged limit switch box or pilot valve on a control valve actuator requires immediate replacement without changing brackets
- Sourcing positioners, limit switch boxes, and pilot valves from separate vendors creates packaging mismatches and extended project lead times
- An actuator assembly line needs matched switch boxes and pilot valves branded under an OEM private label
- Plant maintenance crews cannot wait on lengthy factory lead times when a switch box fails during routine operation
Who Buys It
- Valve and actuator OEMs seeking matched limit switches and pilot valves for complete automated control valve packages
- Plant instrument technicians replacing failed switch boxes on electro pneumatic valve positioners during turnaround maintenance
- Instrumentation distributors stocking Model 210, 310, 410A, 410B, and 510 switch boxes for process plant spares
- EPC engineering contractors sourcing actuator accessories alongside positioners for plant construction projects
- Process automation traders requiring custom painted switch housings with private label nameplates for local resale
Industries
What You Get From This Range
- Five distinct limit switch box models including 210, 310, 410A, 410B, and 510 to fit positioner mounting requirements
- Pilot valves supplied alongside positioners and switch boxes to complete pneumatic actuator automation packages from one factory
- Housing painted in black, blue, yellow, or custom specified colours to match client branding and valve lines
- OEM and ODM options supporting private label nameplates, custom outer cartons, and newly designed shape modules
- Regular quantities ship in 2 to 3 days from stock, while large orders deliver in 7 to 10 days
- Covered by an 18 month warranty with replacement units shipped against clear photo or video evidence
- Pre-shipment warehouse photos and videos available on request to verify physical configuration before items leave the factory
Typical Applications
- Fitting a Model 210 or 410 switch box to a rotary positioner for remote open and closed status signals
- Replacing a damaged limit switch box on an active process valve line to restore remote control room verification
- Adding a pilot valve to a pneumatic actuator loop to ensure responsive pneumatic control valve sequencing
- Assembling custom branded automated valve packages using private label switch boxes and electro pneumatic positioners
- Supplying regional distributor stock with Model 210, 310, 410, and 510 accessories for emergency plant replacement
Limit Switches and Pilot Valves Questions
Which limit switch models are available in this category?
The category includes Model 210, Model 310, Model 410A, Model 410B, and Model 510 limit switch boxes, as well as pilot valves.
Can these limit switches be mounted directly to your positioners?
Yes. Models such as 210, 410A, and 410B serve as direct accessories to electro pneumatic valve positioners and can be supplied pre-assembled.
What are the standard lead times for regular and large orders?
Regular order quantities normally ship in 2 to 3 days from warehouse stock. Large project quantities require 7 to 10 days.
Can we order switch boxes with custom colours and our company logo?
Yes. We offer OEM and ODM services, including painting switch housings in black, blue, yellow, or custom colours, plus private logo labeling.
What is your warranty policy for these accessories?
We provide an 18 month warranty. If an issue arises, send photo or video evidence, and replacement units are provided rather than requiring repair.
Can you supply pilot valves together with positioners and actuators?
Yes. We supply pilot valves alongside our electro pneumatic positioners, limit switch boxes, and pneumatic valve actuators for complete assembly packages.
Tell Us Which Model You Need
Send a photo of the unit you are replacing, or the model number you want quoted. We confirm the match, the price and the lead time before you commit to anything.