| Place of Origin: | China |
|---|---|
| Brand Name: | Factory or OEM |
| Certification: | CE, ROHS, REACH |
| Model Number: | PG7~PG48 |
| Minimum Order Quantity: | 200 pieces |
| Price: | USD 0.20 / piece |
| Packaging Details: | 100 pieces per bag, and then a certain quantity of bags packed in export cartons |
| Delivery Time: | 7-9 days |
| Payment Terms: | T/T, Western Union |
| Supply Ability: | 1,000,000 pieces / month |
| Material: | Brass (also Available In Stainless Steel 304/316/316L) | O-ring: | NBR (also Available In EPDM, Silicone, FKM/FPM, FFKM/FFPM) |
|---|---|---|---|
| Color: | Metallic Color | Surface: | Nickel-plating |
| Shape: | Round Or Hexagonal | Thread: | According To PG Thread Standard DIN 40430 |
| Protection: | IP68 (used Together With O-ring) | Usage: | Used To Seal Spare Holes From Dust, Dirty Or Water |
| Locknut: | Available | Specs: | PG7, PG9, PG11, PG13.5, PG16, PG21, PG29, PG36, PG42, PG48 |
Description:
A metal blind plug (also known as a stopping plug) is a mechanical fastening component used to seal pipes, valves, or the spare ports of equipment interfaces. It features standard threads such as Metric (M), British (G/PF), or American (NPT) types, and achieves a tight fit by being screwed into a corresponding female thread; it is frequently used in conjunction with an O-ring to ensure a completely leak-proof seal.
Features:
(1) Strong sealing capability: by combining the clamping force of the threads with the sealing action of an O-ring or gasket, they effectively prevent the leakage of gases and liquids, as well as the ingress of dust.
(2) Diverse material options: commonly manufactured from nickel-plated brass or stainless steel (304, 316, 316L), offering characteristics such as high-pressure resistance, corrosion resistance, and vibration resistance.
(3) Flexible structural design: common configurations include external hex heads (for rapid tightening with a wrench) and slotted heads (featuring a flat profile with no protrusions, suitable for confined spaces or environments with strict dust-proofing requirements).
(4) Easy removal: designed as a detachable component, facilitating future maintenance or pipeline expansion.
Functions:
(1) Blind-end sealing: sealing off excess reserved ports or unused pipe openings on equipment.
(2) Dust and water protection: protecting the equipment's internal components from contamination by external moisture, dust, and corrosive substances.
(3) Safety protection: providing a robust physical barrier during pipeline pressure testing or within hazardous (explosion-proof) electrical environments to prevent media ejection or the ignition of hazards by external sparks.
(4) Transport protection: safeguarding the threaded ports on equipment against physical impact and deformation during the manufacturing and shipping processes.
Industries & Applications:
Metal blind plugs are widely utilized across various industrial and civil environments, with primary applications concentrated in the following sectors:
(1) Electrical and automation: used to seal reserved cable entry ports on distribution boxes, control cabinets, and junction boxes. Unused openings are sealed with these plugs to maintain the cabinet's specified IP protection rating (e.g., IP68 for dust and water resistance).
(2) Petrochemicals and natural gas: in areas requiring explosion protection, impact-resistant and corrosion-resistant stainless steel explosion-proof plugs are used to seal pressure ports on instrumentation or valve interfaces.
(3) Fluid hydraulic systems: In hydraulic machinery, pneumatic components, and piping systems, these plugs are used to seal the ends of hydraulic manifolds, valves, or oil lines, withstanding high pressure and preventing oil leakage.
(4) Mechanical manufacturing and automotive: for applications such as the lubrication oil fill ports found on gear reducers or engine blocks, plugs are utilized to ensure a secure seal.
(5) Plumbing and sanitary systems: used to seal the ends of water supply piping systems in residential and commercial buildings, as well as the ends of distribution manifolds in heating equipment.
Information:
| Brand name: | Factory or OEM |
| Place of origin: | Zhejiang, China |
| Sizes: |
PG7, PG9, PG11, PG13.5, PG16, PG21, PG29, PG36, PG42, PG48 |
| Material: |
Brass with nickel-plating |
| Color: | Metallic |
| Certificates: | CE, ROHS, REACH |
| Protection: | IP54 & IP68 (only if used together with o-ring) |
| Temperature range: | -40 °C to +100 °C |
| OEM service: | Yes, available |
| Supply capability: | 1,000,000 pieces per month |
| Minimum quantity: | 200 pieces |
| Samples: | Free samples are available upon request |
| Delivery time: | Normally 7-9 days after confirmation of orders |
| Payment terms: | T/T in advance, Western Union, L/C at sight |
| Shipment terms: | By EMS / TNT / DHL / UPS / FEDEX, by sea or by air |
| Packaging : | 100 pieces per bag, 50 pieces per bag, 20 pieces per bag, 10 pieces per bag |
| Packing: | Packaged in polyabags, and then packed in corrugated cartons |