Check valve, there's a damper and weight hammer on the valve

'; JSMsg.uiloading = 'Loading... please wait.'; //FORM.JS JSMsg.hide = 'Hide'; JSMsg.msgtemplate = 'Please enter minimum 20 characters'; JSMsg.usedelone = 'Sorry, this template has already been deleted. Please use another saved template for your message or create a new one.'; //PA_FORM.JS & PALITE_FORM.JS JSMsg.deletetxt = 'Delete'; JSMsg.select = 'Please select the category(s) you wish to add.'; JSMsg.search = 'Search'; JSMsg.examplemp3s = 'Example:MP3 players'; JSMsg.enterprod = 'Enter a product you are sourcing'; JSMsg.enterkeyword = 'Please enter minimum 2 characters to start your search.'; JSMsg.nomatching = 'Sorry, no matching Product Alert categories for your keyword'; JSMsg.patryagain = 'Please try again using another keyword.'; JSMsg.didyoumean = 'Did you mean:'; JSMsg.wishselect = 'Select the product categories you wish to receive alerts on.'; JSMsg.chooseindustry = 'Please choose an industry'; JSMsg.matching = 'Matching categories for'; //PASUBSCRIBED.JS JSMsg.enterfirst = 'Please enter minimum 2 characters\nto start your search.'; //INQUIRYFORM.JS JSMsg.msglong = 'Your message is too long.'; JSMsg.errfound = 'Error found in the following fields:\n'; JSMsg.inqmsg = '* Message\n'; JSMsg.inqtell = '* Tell the supplier about your company\n'; JSMsg.charnum = 'Please enter between 20 to 1500 characters'; JSMsg.areacode = 'Area Code'; JSMsg.areac = 'Area C'; JSMsg.telphone = 'Fax Number'; JSMsg.city = 'City'; JSMsg.country = 'Province/State'; JSMsg.postcode = 'Zip/Postal Code'; JSMsg.enternum = 'Please enter only numbers for '; JSMsg.entername = 'Please enter Login Name.'; JSMsg.enterpwd = 'Please enter Password.'; JSMsg.remove = 'Remove'; JSMsg.deleteerr = 'ERROR:: Unable to delete your attachment.'; JSMsg.uploading = 'Uploading ...'; JSMsg.saveeer = 'ERROR :: Could not save the inquiry form!'; JSMsg.pageloading = 'Loading Page. Please wait...'; JSMsg.dhtml = 'DHTML Window'; JSMsg.dhtmlmsg1 = 'DHTML Window has been closed, so no window to load contents into. Open/Create the window again.'; JSMsg.oncloseerr = 'An error has occured somwhere inside your "onclose" event handler'; JSMsg.dhtmlmsg2 = 'DHTML Window has been closed, so nothing to show. Open/Create the window again.'; JSMsg.inqselect = 'Please select your e-mail address'; JSMsg.allsupp1 = 'You are inquiring to all verified suppliers in the'; JSMsg.allsupp2 = 'category. Make sure your message applies to all suppliers in this category, not an individual supplier.'; JSMsg.attachmsg = 'Attach File(s)'; JSMsg.attachretry = 'Retry'; JSMsg.eoq = 'Example: 10000'; //EditSupplierAlertTable.js JSMsg.alertmsg1 = 'Are you sure you want to stop following the'; JSMsg.alertmsg2 = 'selected supplier(s)?'; //SUPPLIER.JS JSMsg.searchpro = 'Search products in English'; JSMsg.searchpsupp = 'Search suppliers by name in English'; JSMsg.searchcomp = 'Enter company name in English'; JSMsg.searchnews = 'Search sourcing news in English'; JSMsg.searchgs = 'Search product in Global Sources'; JSMsg.searchprogs = 'Search products in English in Global Sources'; JSMsg.newdesc = 'New'; JSMsg.seeall = 'See All Categories'; JSMsg.seeless = 'See Less Categories'; //CreateSupplierRelatedScript.js JSMsg.samsg1 = 'We\'re sorry. You cannot follow this supplier on your Supplier Alert updates since doing so will exceed the'; JSMsg.samsg2 = '-supplier maximum. If you\'d like to follow this supplier, please do the following:\n\n1) Go to Edit Supplier page and remove one or more of your followed suppliers.\n\n2) Return to this page and click "Follow this supplier" again.';