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Jarvis

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Hi there, I'm Jarvis! I see you're looking at the Glass Jar Cover Clamps | Weck Jar Clips | Preserving Accessories | APS GH390. How can I help you with the technical specs or suitability for your business today?

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Glass Jar Cover Clamps | Weck Jar Clips | Preserving Accessories | APS GH390

SKU: GH390
£6.10 / exc vat
£7.32/ inc vat
  • Stainless Steel Construction
  • Creates an Airtight Seal
  • Designed for Weck Jars
  • Reusable and  Economic

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Features Overview Specifications Case Study Reviews Installation Buying Guide FAQ

Product Overview

Getting that perfect, airtight seal on your prized preserves, pickles, and  pâtés is an art, but the right tools make it a science. Meet the APS GH390 Cover Clamps, the essential stainless steel clips designed specifically for the iconic Weck jar system. These aren't just any clips; they are the key to locking in freshness, flavour, and  ensuring your creations are stored safely and  professionally, ready for the pantry shelf or the deli counter.

Perfect for artisan producers, bustling delis, farm shops, and  restaurants that take pride in making their own preserves, these Weck jar cover clamps provide the firm, consistent pressure needed for a flawless seal. Used in combination with Weck glass lids (GH388) and  rubber rings (GH389), they create the vacuum seal that has made Weck a trusted name in preserving for over a century. This pack of eight ensures you have enough on hand for your next batch of creations.

Crafted from durable stainless steel, these reusable clips are built to withstand the demands of a busy commercial kitchen and  repeated use. They're simple to apply, easy to clean, and  offer the peace of mind that comes from a job done properly. Stop gambling with subpar seals and  give your homemade goods the professional, reliable finish they deserve with these essential Weck jar sealing clamps.

Key Features and  Benefits

  • Stainless Steel Construction: Built to last and  won't rust, even with frequent washing.
  • Creates an Airtight Seal: Locks in freshness and  flavour, keeping your preserves safe.
  • Designed for Weck Jars: Guarantees a perfect fit and  seal with the Weck system.
  • Reusable and  Economic: A smart, one-off purchase that you can use for years.
  • Box Quantity of 8: Gives you plenty of clips for a decent-sized batch of preserves.
  • Simple Clip-On Design: Easy for any member of staff to use without any training.
  • Professional Finish: Gives your homemade products a secure, high-quality presentation.
  • Reliable Preservation: Provides the consistent tension needed for a proper vacuum seal.

Technical Specifications

  • Brand: APS
  • SKU: GH390
  • Material: Stainless Steel
  • Dimensions: 35(H) x 10(W) x 15(D)mm
  • Weight: 20g
  • Box Quantity: 8
  • Compatibility: For use with Weck glass lids (GH388) and  rubber washers (GH389).

Expert Review and  Insights

It's the small, often-overlooked details that really elevate a kitchen's output, and  these APS clips are a prime example. They're not flimsy; you can feel the quality in the tension. For any kitchen doing its own pickling, fermenting, or preserving, these are a non-negotiable bit of kit. They provide a confident, reliable seal every single time, which is exactly what you need.

Sophie Brooks – Chef Tools Expert View Profile →

  • Top-Notch Seal: Creates a consistently tight seal, which is absolutely crucial for safe preserving.
  • System Specific: Remember, they are only designed for Weck jars, not a universal fit.

Case Study: Real Business, Real Results

The Rutland Larder, a popular farm shop in Oakham, decided to upgrade their preserving equipment. They were finding that their previous jar clips were inconsistent, leading to occasional spoilage of their best-selling spiced apple chutney.

"We were losing a small but frustrating amount of our chutneys to failed seals. Switching to these proper Weck jar clips from APS sorted it instantly. They just feel right and  they work, every time. No more crossed fingers when we're sealing a batch."

Samuel Jones – Owner

The switch completely eliminated product spoilage from poor seals, directly protecting their revenue and  brand reputation for quality.

Installation and  Maintenance Guide

Setting It Up

  • Ensure the jar rim, glass lid, and  rubber ring are perfectly clean.
  • Place the rubber ring flat onto the jar's rim.
  • Position the glass lid centrally on top of the ring.
  • Hook one end of a clamp under the jar's lip, then gently stretch the clamp over the lid and  hook the other end.
  • Always use two clamps per jar, placing them on opposite sides for even pressure.

Keeping It Going

  • After use, wash the clamps in warm, soapy water or place them in the dishwasher.
  • Dry them thoroughly to maintain the stainless steel's shine and  prevent water spots.
  • Store them together in a dry drawer or container so they're always ready for your next batch.
  • Before each use, give them a quick check to ensure they haven't been bent or damaged.

Buying Guide: Choosing the Right Preserving Accessories

Not sure what fits best for your preserving project? Here’s a quick rundown to help you choose the right bits and  pieces.

Match Your Jar System

The most important rule! Ensure your clips are designed for your jars. These APS GH390 preserving clips are made specifically for the Weck ecosystem.

Material Matters

For tools that come into contact with food and  moisture, stainless steel is the top choice. It’s durable, rust-resistant, and  easy to sanitise, making it perfect for repeated use.

Pressure is Paramount

A good clamp provides firm, even pressure. This is what creates the reliable vacuum seal you need for safe, long-term food storage. Flimsy clips just won't cut it.

Check Your Quantities

Think about your typical batch size. Buying a box of 8 or 12 clips is often more economical and  ensures you don't run out mid-production.

Don't Forget the Rings!

Clamps are only one part of the trio. They work with glass lids and  rubber rings (like the GH389). Always use a fresh, pliable rubber ring for every new batch for the best results.

See all Preserve Jars & Storage Jars

Frequently Asked Questions

Q: Are these Weck jar clips reusable?

A: Absolutely. They're crafted from durable stainless steel precisely for this reason, designed to last for years of preserving.

Q: Will these fit my regular screw-top jam jars?

A: No, these are glass jar clamp accessories specifically designed for the Weck preserving jar system and  will not fit other types of jars.

Q: How many clamps should I use on one jar?

A: For a secure and  perfectly even seal, the standard recommendation is to use two clamps per jar, placed on opposite sides of the lid.

Q: What are the clamps made from?

A: They are made from high-quality, food-safe stainless steel, making them strong and  resistant to rust.

Q: Can I put these in my commercial dishwasher?

A: Yes, being 100% stainless steel, they are perfectly safe to be washed and  sanitised in any commercial or domestic dishwasher.

Q: Do these come with the rubber sealing rings?

A: No, this product (SKU GH390) is for the clamps only. The rubber rings (GH389) and  glass lids (GH388) are available separately.

Q: What is the main purpose of these clips?

A: Their job is to hold the glass lid and  rubber ring firmly in place during the boiling/canning process to create a vacuum seal as the contents cool.

Q: I've lost a few clips, are these the correct replacements?

A: If you use the Weck jar system, these APS GH390 clips are the ideal, high-quality replacements to get your set back to full strength.

What Customers Are Saying

"Exactly what we needed. These are strong, sturdy Weck jar clips that give a really secure fit. Our homemade jams look so much more professional now."

Maria C. – The Bristol Deli

"A bit fiddly until you get the hang of it, but once you do they're brilliant. Perfect for our signature pickled onions for the bar."

Tom Richards – The Plough Inn, York

"Bought these to replace some ancient, rusty ones from another brand. The stainless steel is great quality. Essential kit for any serious preserver."

Chloe Bevan – Home Producer, Inverness

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The APS Advantage: Precision Tools for Consistent Results

APS has carved out a reputation across Europe for creating professional-grade catering tools that simply work, day in and  day out. These preserving jar lid clamps are a perfect reflection of that philosophy. Beyond the straightforward stainless steel construction lies a deep understanding of process and  consistency. For a commercial kitchen or artisan producer, this isn't just about preserving food; it's about protecting your brand, your time, and  your bottom line. An inconsistent seal leads directly to spoiled product, wasted ingredients, and  lost revenue. By choosing precisely engineered glass jar clamp accessories like the GH390, you're making a small but critical investment in peace of mind. You can trust that every single jar of chutney, jam, or pickle you produce is sealed safely and  professionally, ready for service or sale. This is the long-term value of choosing specialist equipment over generic substitutes – total reliability you can count on, batch after batch.

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How a Simple Clip Creates a Perfect Vacuum Seal

Ever wondered why you need separate clamps and  rubber rings? It's a brilliantly simple piece of engineering. Think of the rubber ring as the gasket in an engine – it creates the initial barrier. But on its own, it's not enough. The stainless steel Weck jar cover clamps act like a buckle on a belt, pulling the lid down with firm, even pressure from two sides. This constant tension is what forces all the air out during the canning process and  creates a truly airtight, long-lasting vacuum seal once cooled. It’s this clever mechanical teamwork that has made Weck jars a gold standard for preservers for generations.

Who Should Buy This?

  • Artisan Cafés & Delis: Essential for professionally packaging and  selling your own house-made jams, pickles, and  chutneys.
  • Farm Shops & Producers: The perfect way to give your preserved goods a secure, traditional, and  trustworthy seal.
  • Restaurants & Bistros: Ideal for storing kitchen-made pâtés, terrines, or fermented ingredients with complete confidence.
  • Small-Scale Preservers: If you need reliable Weck jar sealing clamps for consistent, high-quality results at home or for markets.
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