2421 — Buerkert Type 2031 Actuator for diaphragm valve
KKM Solutions is an independent parts distributor, not an authorized Buerkert dealer — how we source.
Buerkert 2421 - Diaphragm Valves - Weight: 1.76 Lb; Type: 2031; Actuator size: 63 mm.
Overview
Part number 2421 from Buerkert, listed in Diaphragm & Pinch Valves. Specifications on file: Actuator material PPS (Polyphenylene sulphide); Actuator material category Plastics; Actuator size 63 mm; Actuator version Classic. KKM Solutions quotes this part with pricing and availability confirmed per order.
The Buerkert 2421 is part of the Diaphragm Valves range in our industrial catalog. The manufacturer's published data for this part number specifies Weight: 1.76 Lb and Type: 2031.
The specification set recorded for this part number covers Actuator size: 63 mm; Control function: A - normally closed (NC); Fluidic port connection number: 2; Valve function number of switching positions: 2; Manual actuation: No; Additional manual actuation included: No; CIP capable: Yes; SIP capable: Yes; Control pressure min: 5,5 bar; Control pressure max: 7 bar; Temperature environment min: 5 °C; Temperature environment max: 140 °C. See the Specifications tab on this page for the full technical table.
Specifications
| Actuator material | PPS (Polyphenylene sulphide) |
|---|---|
| Actuator material category | Plastics |
| Actuator size | 63 mm |
| Actuator version | Classic |
| Additional manual actuation included | No |
| Approval type | ATEX, IECEx |
| Body nominal size | 20 mm |
| Body nominal size (IN) | 3/4 inch |
| Certification type | II 2 G Ex h IIC T4...T2 Gb, Ex h IIIC T135°C...T300°C Db, A367 Ex h IIC T4...T2 Gb, II 2 D Ex h IIIC T135°C...T300°C Db |
| CIP capable | Yes |
| Commodity Code | 84819000 |
| Control air connection diameter (inch) | 1/4 inch |
| Control air connection material | Stainless steel |
| Control air connection position | 90° to direction of line |
| Control air connection thread type | G |
| Control air connection type | Internal thread |
| Control air hole diameter | 3 mm |
| Control function | A - normally closed (NC) |
| Control pressure max | 7 bar |
| Control pressure min | 5,5 bar |
| Diaphragm coupling | Bayonet |
| Factory certification 2.1 Membrane | No |
| Fluidic port connection number | 2 |
| Main valve operating principle | Diaphragm valve |
| Manual actuation | No |
| Manufacturer´s test certificate 3.1 included | No |
| O-ring between cover and bush | No |
| Piston seal material | FKM (Fluor rubber) |
| Piston seal material category | Elastomers |
| Position monitoring via magnetic piston | No |
| Product sub-group | On/off valves |
| SIP capable | Yes |
| Temperature environment max | 140 °C |
| Temperature environment min | 5 °C |
| Type | 2031 |
| Valve construction | Actuator |
| Valve function number of switching positions | 2 |
| Valve piloting type | Pneumatic |
| Weight | 1.76 Lb |
Product details
| Manufacturer | Buerkert |
|---|---|
| Manufacturer part number | 2421 |
| Product category | Diaphragm & Pinch Valves |
| Published specifications | 39 attributes listed |
Request a quote for this part
Email orderdesk@kkmsolutions.com or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How do I get pricing for 2421?
This part is quoted on request, so no price is listed for it here. Send the quote form on this page with your quantity, or email orderdesk@kkmsolutions.com, and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the 2421?
2421 is made by Buerkert and is listed in our Diaphragm & Pinch Valves category. KKM Solutions is an independent distributor, not an authorized Buerkert dealer: we source the exact Buerkert part number 2421, and the quote confirms condition and lead time before you order.
Is the 2421 new and genuine?
Parts we supply are new and genuine unless the quote expressly states otherwise. Where a part is new-old-stock, from excess inventory, refurbished or open-box, the quote says so before you approve it.
What warranty comes with the 2421, and can I return it?
Parts we supply are warranted against manufacturing defects for 1 year from the date of delivery; where the manufacturer's own warranty is longer, the manufacturer's warranty applies. The warranty covers repair, replacement, or credit of the defective part and does not cover normal wear items, misapplication, improper installation, or consequential damages. Contact us within 30 days of delivery before returning anything — all returns need a return authorization from the order desk.
What is the lifecycle status of 2421?
No published lifecycle status is on file for 2421. Buerkert lists whether a catalog number is current, superseded or end-of-life on its own product page, and our order desk confirms the status with the manufacturer at quote time, before you commit. Send the part number through the quote form on this page.
What are the key specifications of 2421?
Key specifications include Actuator material: PPS (Polyphenylene sulphide); Actuator material category: Plastics; Actuator size: 63 mm; Actuator version: Classic. The full specification table on this page lists every published attribute for this part.
What thread or connection does 2421 use?
Per the published specification for 2421: Control air connection thread type: G; Control air connection type: Internal thread. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
How much does 2421 weigh?
Per the published specification for 2421: Weight: 1.76 Lb. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
How quickly can 2421 ship?
Lead time for 2421 is quoted per order and confirmed on your quote, which our order desk sends within 1 business day. For a line-down emergency, call the 24/7 order desk at (825) 454-5367.
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