ADVANCED ENGINEERING | Combining door closers, spring hinges and an optional hold open feature into one attractive & unobtrusive component.
FULLY ADJUSTABLE | Closing force and speed adjustable according to environment needs.
PRECISION | Digital panel tension locking capability.
DURABLE | Fully weather resistant stainless steel construction -- purely mechanical, NO LEAKING.
Application：Hotel guest room / Metal door / Commercial fire-proof door
SB Hinge - Door closing+control closing speed+hold-open at 85°+/-5°
SA1 Hinge - Controls Closing Speed from 0-20° and Closing Force.
DS: Provides Closing Force, double power output.
HA: Hydraulic buffer in 0-20°+control speed in 20-90°
S: Spring Closing Force
A: 20-90° Closing Speed Control
A1: 0-20° Closing Speed Control
H: Hydraulic buffer
B: Hold-openat 85°+/-5°
3mm hex wrench*1pc
5mm hex wrench*1pc
For the wood door - Crosshead self-tapping screws (SUS#12-24 UNC-1/2"L)
For the metal door - Crosshead machine screws (SUS#12x1-1/4"(31.75mm)L)
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at email@example.com. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
Damages and issues Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.